12801944496 has 40 divisors (see below), whose sum is σ = 36078208704. Its totient is φ = 3879376960.

The previous prime is 12801944489. The next prime is 12801944521. The reversal of 12801944496 is 69444910821.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 12122526 + ... + 12123581.

Almost surely, 2^12801944496 is an apocalyptic number.

12801944496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12801944496 is an abundant number, since it is smaller than the sum of its proper divisors (23276264208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12801944496 is a wasteful number, since it uses less digits than its factorization.

12801944496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24246129 (or 24246123 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 12801944496 in words is "twelve billion, eight hundred one million, nine hundred forty-four thousand, four hundred ninety-six".