12568502136 has 16 divisors (see below), whose sum is σ = 31421255400. Its totient is φ = 4189500704.

The previous prime is 12568502129. The next prime is 12568502161. The reversal of 12568502136 is 63120586521.

It is a junction number, because it is equal to n+sod(n) for n = 12568502094 and 12568502103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261843771 + ... + 261843818.

Almost surely, 2^12568502136 is an apocalyptic number.

It is an amenable number.

12568502136 is an abundant number, since it is smaller than the sum of its proper divisors (18852753264).

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

12568502136 is a wasteful number, since it uses less digits than its factorization.

12568502136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523687598 (or 523687594 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 12568502136 in words is "twelve billion, five hundred sixty-eight million, five hundred two thousand, one hundred thirty-six".