12460431121564 has 24 divisors (see below), whose sum is σ = 22084752564000. Its totient is φ = 6150855316800.

The previous prime is 12460431121483. The next prime is 12460431121583. The reversal of 12460431121564 is 46512113406421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44046184 + ... + 44328175.

It is an arithmetic number, because the mean of its divisors is an integer number (920198023500).

Almost surely, 2^{12460431121564} is an apocalyptic number.

It is an amenable number.

12460431121564 is a deficient number, since it is larger than the sum of its proper divisors (9624321442436).

12460431121564 is a wasteful number, since it uses less digits than its factorization.

12460431121564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88374813 (or 88374811 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

Adding to 12460431121564 its reverse (46512113406421), we get a palindrome (58972544527985).

The spelling of 12460431121564 in words is "twelve trillion, four hundred sixty billion, four hundred thirty-one million, one hundred twenty-one thousand, five hundred sixty-four".