12973931244 has 24 divisors (see below), whose sum is σ = 33636118320. Its totient is φ = 4324643712.

The previous prime is 12973931213. The next prime is 12973931249. The reversal of 12973931244 is 44213937921.

12973931244 is a `hidden beast` number, since 1 + 297 + 3 + 9 + 312 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12973931244.

It is not an unprimeable number, because it can be changed into a prime (12973931249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60064389 + ... + 60064604.

It is an arithmetic number, because the mean of its divisors is an integer number (1401504930).

Almost surely, 2^12973931244 is an apocalyptic number.

It is an amenable number.

12973931244 is an abundant number, since it is smaller than the sum of its proper divisors (20662187076).

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

12973931244 is a wasteful number, since it uses less digits than its factorization.

12973931244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120129006 (or 120128998 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The spelling of 12973931244 in words is "twelve billion, nine hundred seventy-three million, nine hundred thirty-one thousand, two hundred forty-four".