12696147993600 has 198 divisors, whose sum is σ = 45458217066210. Its totient is φ = 3385639403520.

The previous prime is 12696147993587. The next prime is 12696147993643. The reversal of 12696147993600 is 639974169621.

12696147993600 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 6 + 14 + 7 + 9 + 9 + 3 + 600 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1769368190976 + 10926779802624 = 1330176^2 + 3305568^2 .

It is a super-2 number, since 2×12696147993600² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27322005 + ... + 27782804.

Almost surely, 2^{12696147993600} is an apocalyptic number.

12696147993600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12696147993600 is an abundant number, since it is smaller than the sum of its proper divisors (32762069072610).

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

12696147993600 is a wasteful number, since it uses less digits than its factorization.

12696147993600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55104845 (or 55104819 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 12696147993600 in words is "twelve trillion, six hundred ninety-six billion, one hundred forty-seven million, nine hundred ninety-three thousand, six hundred".