12638900024 has 16 divisors (see below), whose sum is σ = 23932572120. Its totient is φ = 6256880800.

The previous prime is 12638900003. The next prime is 12638900081. The reversal of 12638900024 is 42000983621.

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, 7820294 + ... + 7821909.

Almost surely, 2^12638900024 is an apocalyptic number.

It is an amenable number.

12638900024 is a deficient number, since it is larger than the sum of its proper divisors (11293672096).

12638900024 is a wasteful number, since it uses less digits than its factorization.

12638900024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642310 (or 15642306 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 12638900024 in words is "twelve billion, six hundred thirty-eight million, nine hundred thousand, twenty-four".