12998758474864 has 10 divisors (see below), whose sum is σ = 25185094545080. Its totient is φ = 6499379237424.

The previous prime is 12998758474817. The next prime is 12998758474901. The reversal of 12998758474864 is 46847485789921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406211202324 + ... + 406211202355.

It is an arithmetic number, because the mean of its divisors is an integer number (2518509454508).

Almost surely, 2^{12998758474864} is an apocalyptic number.

It is an amenable number.

12998758474864 is a deficient number, since it is larger than the sum of its proper divisors (12186336070216).

12998758474864 is an equidigital number, since it uses as much as digits as its factorization.

12998758474864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812422404687 (or 812422404681 counting only the distinct ones).

The product of its digits is 7803371520, while the sum is 82.

The spelling of 12998758474864 in words is "twelve trillion, nine hundred ninety-eight billion, seven hundred fifty-eight million, four hundred seventy-four thousand, eight hundred sixty-four".