12534566272432 has 40 divisors (see below), whose sum is σ = 24509394805280. Its totient is φ = 6209565235200.

The previous prime is 12534566272399. The next prime is 12534566272433. The reversal of 12534566272432 is 23427266543521.

It is a self number, because there is not a number n which added to its sum of digits gives 12534566272432.

It is not an unprimeable number, because it can be changed into a prime (12534566272433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56312557 + ... + 56534707.

It is an arithmetic number, because the mean of its divisors is an integer number (612734870132).

Almost surely, 2^{12534566272432} is an apocalyptic number.

It is an amenable number.

12534566272432 is a deficient number, since it is larger than the sum of its proper divisors (11974828532848).

12534566272432 is a wasteful number, since it uses less digits than its factorization.

12534566272432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254621 (or 254615 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 52.

The spelling of 12534566272432 in words is "twelve trillion, five hundred thirty-four billion, five hundred sixty-six million, two hundred seventy-two thousand, four hundred thirty-two".