12500079056 has 20 divisors (see below), whose sum is σ = 25643545092. Its totient is φ = 5882390016.

The previous prime is 12500079049. The next prime is 12500079089. The reversal of 12500079056 is 65097000521.

It can be written as a sum of positive squares in 2 ways, for example, as 9646382656 + 2853696400 = 98216^2 + 53420^2 .

It is a super-2 number, since 2×12500079056² (a number of 21 digits) contains 22 as substring.

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, 22977815 + ... + 22978358.

Almost surely, 2^12500079056 is an apocalyptic number.

12500079056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12500079056 is an abundant number, since it is smaller than the sum of its proper divisors (13143466036).

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

12500079056 is a wasteful number, since it uses less digits than its factorization.

12500079056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45956198 (or 45956192 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

Adding to 12500079056 its reverse (65097000521), we get a palindrome (77597079577).

The spelling of 12500079056 in words is "twelve billion, five hundred million, seventy-nine thousand, fifty-six".