12579312404738 has 32 divisors (see below), whose sum is σ = 19339901107200. Its totient is φ = 6134596539984.

The previous prime is 12579312404731. The next prime is 12579312404753. The reversal of 12579312404738 is 83740421397521.

It is not an unprimeable number, because it can be changed into a prime (12579312404731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26707643 + ... + 27174561.

It is an arithmetic number, because the mean of its divisors is an integer number (604371909600).

Almost surely, 2^{12579312404738} is an apocalyptic number.

12579312404738 is a deficient number, since it is larger than the sum of its proper divisors (6760588702462).

12579312404738 is a wasteful number, since it uses less digits than its factorization.

12579312404738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468974.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 12579312404738 in words is "twelve trillion, five hundred seventy-nine billion, three hundred twelve million, four hundred four thousand, seven hundred thirty-eight".