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123302212110220 = 2251113303891418693
BaseRepresentation
bin11100000010010010001000…
…100011011000011110001100
3121011120120120011110011212211
4130002102020203120132030
5112130140412300011340
61114124130530440204
734654201522041553
oct3402221043303614
9534516504404784
10123302212110220
11363191a1288350
12119b4965433064
1353a546c16a020
142263c04bb8d9a
15e3c5908685ea
hex7024888d878c

123302212110220 has 96 divisors (see below), whose sum is σ = 304213164816960. Its totient is φ = 41386763996160.

The previous prime is 123302212110131. The next prime is 123302212110241. The reversal of 123302212110220 is 22011212203321.

It is a super-2 number, since 2×1233022121102202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 123302212110191 and 123302212110200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86203194 + ... + 87621886.

It is an arithmetic number, because the mean of its divisors is an integer number (3168887133510).

Almost surely, 2123302212110220 is an apocalyptic number.

123302212110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123302212110220 is an abundant number, since it is smaller than the sum of its proper divisors (180910952706740).

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

123302212110220 is a wasteful number, since it uses less digits than its factorization.

123302212110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449115 (or 1449113 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123302212110220 its reverse (22011212203321), we get a palindrome (145313424313541).

The spelling of 123302212110220 in words is "one hundred twenty-three trillion, three hundred two billion, two hundred twelve million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 30389 60778 121556 151945 303890 334279 395057 607780 668558 790114 1337116 1418693 1580228 1671395 1975285 2837386 3342790 3950570 4345627 5674772 6685580 7093465 7901140 8691254 14186930 15605623 17382508 18443009 21728135 28373860 31211246 36886018 43456270 62422492 73772036 78028115 86912540 92215045 156056230 184430090 202873099 312112460 368860180 405746198 811492396 1014365495 2028730990 4057461980 43112661577 86225323154 172450646308 215563307885 431126615770 474239277347 560464600501 862253231540 948478554694 1120929201002 1896957109388 2241858402004 2371196386735 2802323002505 4742392773470 5604646005010 6165110605511 9484785546940 11209292010020 12330221211022 24660442422044 30825553027555 61651106055110 123302212110220