12264640136536 has 32 divisors (see below), whose sum is σ = 23010509739600. Its totient is φ = 6128504841600.

The previous prime is 12264640136477. The next prime is 12264640136563. The reversal of 12264640136536 is 63563104646221.

It is a self number, because there is not a number n which added to its sum of digits gives 12264640136536.

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, 188135995 + ... + 188201173.

Almost surely, 2^{12264640136536} is an apocalyptic number.

It is an amenable number.

12264640136536 is a deficient number, since it is larger than the sum of its proper divisors (10745869603064).

12264640136536 is a wasteful number, since it uses less digits than its factorization.

12264640136536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79459 (or 79455 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 12264640136536 in words is "twelve trillion, two hundred sixty-four billion, six hundred forty million, one hundred thirty-six thousand, five hundred thirty-six".