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121332113223120 = 24325349482856229
BaseRepresentation
bin11011100101100111010101…
…100000100010110111010000
3120220121020101120211020200200
4123211213111200202313100
5111400401131441114440
61110015111530215200
734361645605564002
oct3345472540426720
9526536346736620
10121332113223120
113572972987a218
1211736b87284500
135291752656987
1421d6711592372
15e061d797ec30
hex6e59d5822dd0

121332113223120 has 120 divisors (see below), whose sum is σ = 408641227449000. Its totient is φ = 32262521730048.

The previous prime is 121332113223089. The next prime is 121332113223127. The reversal of 121332113223120 is 21322311233121.

121332113223120 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 3 + 21 + 1 + 322 + 312 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2108513093184 + 119223600129936 = 1452072^2 + 10918956^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1213321132231202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121332113223127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241176835 + ... + 241679394.

It is an arithmetic number, because the mean of its divisors is an integer number (3405343562075).

Almost surely, 2121332113223120 is an apocalyptic number.

121332113223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121332113223120 is an abundant number, since it is smaller than the sum of its proper divisors (287309114225880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121332113223120 is a wasteful number, since it uses less digits than its factorization.

121332113223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482856597 (or 482856588 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 121332113223120 its reverse (21322311233121), we get a palindrome (142654424456241).

The spelling of 121332113223120 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 349 360 698 720 1047 1396 1745 2094 2792 3141 3490 4188 5235 5584 6282 6980 8376 10470 12564 13960 15705 16752 20940 25128 27920 31410 41880 50256 62820 83760 125640 251280 482856229 965712458 1448568687 1931424916 2414281145 2897137374 3862849832 4345706061 4828562290 5794274748 7242843435 7725699664 8691412122 9657124580 11588549496 14485686870 17382824244 19314249160 21728530305 23177098992 28971373740 34765648488 38628498320 43457060610 57942747480 69531296976 86914121220 115885494960 168516823921 173828242440 337033647842 347656484880 505550471763 674067295684 842584119605 1011100943526 1348134591368 1516651415289 1685168239210 2022201887052 2527752358815 2696269182736 3033302830578 3370336478420 4044403774104 5055504717630 6066605661156 6740672956840 7583257076445 8088807548208 10111009435260 12133211322312 13481345913680 15166514152890 20222018870520 24266422644624 30333028305780 40444037741040 60666056611560 121332113223120