12372251012516 has 6 divisors (see below), whose sum is σ = 21651439271910. Its totient is φ = 6186125506256.

The previous prime is 12372251012467. The next prime is 12372251012573. The reversal of 12372251012516 is 61521015227321.

It can be written as a sum of positive squares in only one way, i.e., 11935919425600 + 436331586916 = 3454840^2 + 660554^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12372251012516.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1546531376561 + ... + 1546531376568.

It is an arithmetic number, because the mean of its divisors is an integer number (3608573211985).

Almost surely, 2^{12372251012516} is an apocalyptic number.

It is an amenable number.

12372251012516 is a deficient number, since it is larger than the sum of its proper divisors (9279188259394).

12372251012516 is a wasteful number, since it uses less digits than its factorization.

12372251012516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093062753133 (or 3093062753131 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

Adding to 12372251012516 its reverse (61521015227321), we get a palindrome (73893266239837).

The spelling of 12372251012516 in words is "twelve trillion, three hundred seventy-two billion, two hundred fifty-one million, twelve thousand, five hundred sixteen".