12972934425615 has 32 divisors (see below), whose sum is σ = 21426848870400. Its totient is φ = 6695525909760.

The previous prime is 12972934425613. The next prime is 12972934425637. The reversal of 12972934425615 is 51652443927921.

It is a Cunningham number, because it is equal to 3601796²-1.

It is not a de Polignac number, because 12972934425615 - 2¹ = 12972934425613 is a prime.

It is a super-2 number, since 2×12972934425615² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972934425613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17648806 + ... + 18369164.

It is an arithmetic number, because the mean of its divisors is an integer number (669589027200).

Almost surely, 2^{12972934425615} is an apocalyptic number.

12972934425615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12972934425615 is a deficient number, since it is larger than the sum of its proper divisors (8453914444785).

12972934425615 is a wasteful number, since it uses less digits than its factorization.

12972934425615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759127.

The product of its digits is 32659200, while the sum is 60.

The spelling of 12972934425615 in words is "twelve trillion, nine hundred seventy-two billion, nine hundred thirty-four million, four hundred twenty-five thousand, six hundred fifteen".