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12031211110330 = 2535926227127781
BaseRepresentation
bin1010111100010011110000…
…0100000111111110111010
31120121011122210021210012201
42233010330010013332322
53034104410021012310
641331021224300414
72351140425042166
oct257047404077672
946534583253181
1012031211110330
113919454022a65
12142389031170a
136936cc9691c9
142d8456c09ca6
1515ce5d02be3a
hexaf13c107fba

12031211110330 has 32 divisors (see below), whose sum is σ = 21717501598080. Its totient is φ = 4798858656960.

The previous prime is 12031211110301. The next prime is 12031211110379. The reversal of 12031211110330 is 3301111213021.

It is a junction number, because it is equal to n+sod(n) for n = 12031211110298 and 12031211110307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94091040 + ... + 94218820.

It is an arithmetic number, because the mean of its divisors is an integer number (678671924940).

Almost surely, 212031211110330 is an apocalyptic number.

12031211110330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031211110330 is a deficient number, since it is larger than the sum of its proper divisors (9686290487750).

12031211110330 is a wasteful number, since it uses less digits than its factorization.

12031211110330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154374.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12031211110330 its reverse (3301111213021), we get a palindrome (15332322323351).

The spelling of 12031211110330 in words is "twelve trillion, thirty-one billion, two hundred eleven million, one hundred ten thousand, three hundred thirty".

Divisors: 1 2 5 10 359 718 1795 3590 26227 52454 127781 131135 255562 262270 638905 1277810 9415493 18830986 45873379 47077465 91746758 94154930 229366895 458733790 3351312287 6702624574 16756561435 33513122870 1203121111033 2406242222066 6015605555165 12031211110330