12508170508 has 12 divisors (see below), whose sum is σ = 21931155400. Its totient is φ = 6242126112.

The previous prime is 12508170469. The next prime is 12508170517. The reversal of 12508170508 is 80507180521.

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, 2987433 + ... + 2991616.

Almost surely, 2^12508170508 is an apocalyptic number.

It is an amenable number.

12508170508 is a deficient number, since it is larger than the sum of its proper divisors (9422984892).

12508170508 is a wasteful number, since it uses less digits than its factorization.

12508170508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5979576 (or 5979574 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 37.

The spelling of 12508170508 in words is "twelve billion, five hundred eight million, one hundred seventy thousand, five hundred eight".