12507646502 has 16 divisors (see below), whose sum is σ = 20206919040. Its totient is φ = 5772114432.

The previous prime is 12507646499. The next prime is 12507646561. The reversal of 12507646502 is 20564670521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273323 + ... + 315785.

It is an arithmetic number, because the mean of its divisors is an integer number (1262932440).

Almost surely, 2^12507646502 is an apocalyptic number.

12507646502 is a deficient number, since it is larger than the sum of its proper divisors (7699272538).

12507646502 is a wasteful number, since it uses less digits than its factorization.

12507646502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53807.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 12507646502 in words is "twelve billion, five hundred seven million, six hundred forty-six thousand, five hundred two".