12513979732458 has 32 divisors (see below), whose sum is σ = 25278138063360. Its totient is φ = 4129829174000.

The previous prime is 12513979732439. The next prime is 12513979732459. The reversal of 12513979732458 is 85423797931521.

It is not an unprimeable number, because it can be changed into a prime (12513979732459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24626988 + ... + 25129991.

It is an arithmetic number, because the mean of its divisors is an integer number (789941814480).

Almost surely, 2^{12513979732458} is an apocalyptic number.

12513979732458 is an abundant number, since it is smaller than the sum of its proper divisors (12764158330902).

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

12513979732458 is a wasteful number, since it uses less digits than its factorization.

12513979732458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49757402.

The product of its digits is 114307200, while the sum is 66.

The spelling of 12513979732458 in words is "twelve trillion, five hundred thirteen billion, nine hundred seventy-nine million, seven hundred thirty-two thousand, four hundred fifty-eight".