12508428704 has 24 divisors (see below), whose sum is σ = 24693092928. Its totient is φ = 6237167040.

The previous prime is 12508428677. The next prime is 12508428769. The reversal of 12508428704 is 40782480521.

It is a super-2 number, since 2×12508428704² (a number of 21 digits) contains 22 as substring.

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, 520802 + ... + 544289.

It is an arithmetic number, because the mean of its divisors is an integer number (1028878872).

Almost surely, 2^12508428704 is an apocalyptic number.

It is an amenable number.

12508428704 is a deficient number, since it is larger than the sum of its proper divisors (12184664224).

12508428704 is a wasteful number, since it uses less digits than its factorization.

12508428704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065468 (or 1065460 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The spelling of 12508428704 in words is "twelve billion, five hundred eight million, four hundred twenty-eight thousand, seven hundred four".