12658474054828 has 24 divisors (see below), whose sum is σ = 25577947580192. Its totient is φ = 5369131851264.

The previous prime is 12658474054817. The next prime is 12658474054843. The reversal of 12658474054828 is 82845047485621.

It is a self number, because there is not a number n which added to its sum of digits gives 12658474054828.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2330349651 + ... + 2330355082.

Almost surely, 2^{12658474054828} is an apocalyptic number.

It is an amenable number.

12658474054828 is an abundant number, since it is smaller than the sum of its proper divisors (12919473525364).

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

12658474054828 is a wasteful number, since it uses less digits than its factorization.

12658474054828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660704841 (or 4660704839 counting only the distinct ones).

The product of its (nonzero) digits is 137625600, while the sum is 64.

The spelling of 12658474054828 in words is "twelve trillion, six hundred fifty-eight billion, four hundred seventy-four million, fifty-four thousand, eight hundred twenty-eight".