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12122101122102 = 2332357371701263
BaseRepresentation
bin1011000001100110010110…
…0010000000010000110110
31120220212021001212202222000
42300121211202000100312
53042102030341401402
641440452200520130
72360535652304226
oct260314542002066
946825231782860
1012122101122102
113953a55074074
121439417180046
1369c155c9876a
142dc9d9dc4086
151604cc5b0c1c
hexb0665880436

12122101122102 has 64 divisors (see below), whose sum is σ = 28114136156160. Its totient is φ = 3864341777472.

The previous prime is 12122101122071. The next prime is 12122101122107. The reversal of 12122101122102 is 20122110122121.

12122101122102 is a `hidden beast` number, since 121 + 221 + 0 + 112 + 210 + 2 = 666.

It is a super-2 number, since 2×121221011221022 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122101122107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6274723 + ... + 7975985.

It is an arithmetic number, because the mean of its divisors is an integer number (439283377440).

Almost surely, 212122101122102 is an apocalyptic number.

12122101122102 is an abundant number, since it is smaller than the sum of its proper divisors (15992035034058).

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

12122101122102 is a wasteful number, since it uses less digits than its factorization.

12122101122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707034 (or 1707028 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12122101122102 its reverse (20122110122121), we get a palindrome (32244211244223).

The spelling of 12122101122102 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, one hundred twenty-two thousand, one hundred two".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 5737 11474 17211 34422 51633 103266 131951 154899 263902 309798 395853 791706 1187559 1701263 2375118 3402526 3562677 5103789 7125354 10207578 15311367 30622734 39129049 45934101 78258098 91868202 117387147 234774294 352161441 704322882 1056484323 2112968646 9760145831 19520291662 29280437493 58560874986 87841312479 175682624958 224483354113 263523937437 448966708226 527047874874 673450062339 1346900124678 2020350187017 4040700374034 6061050561051 12122101122102