12785568502 has 64 divisors (see below), whose sum is σ = 23672517120. Its totient is φ = 5057697024.

The previous prime is 12785568493. The next prime is 12785568557. The reversal of 12785568502 is 20586558721.

It is a congruent number.

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, 1607728 + ... + 1615660.

It is an arithmetic number, because the mean of its divisors is an integer number (369883080).

Almost surely, 2^12785568502 is an apocalyptic number.

12785568502 is a deficient number, since it is larger than the sum of its proper divisors (10886948618).

12785568502 is a wasteful number, since it uses less digits than its factorization.

12785568502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 12785568502 in words is "twelve billion, seven hundred eighty-five million, five hundred sixty-eight thousand, five hundred two".