12542262536 has 16 divisors (see below), whose sum is σ = 23639869440. Its totient is φ = 6238297360.

The previous prime is 12542262529. The next prime is 12542262541. The reversal of 12542262536 is 63526224521.

It is a self number, because there is not a number n which added to its sum of digits gives 12542262536.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4102616 + ... + 4105671.

It is an arithmetic number, because the mean of its divisors is an integer number (1477491840).

Almost surely, 2^12542262536 is an apocalyptic number.

It is an amenable number.

12542262536 is a deficient number, since it is larger than the sum of its proper divisors (11097606904).

12542262536 is a wasteful number, since it uses less digits than its factorization.

12542262536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208484 (or 8208480 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The spelling of 12542262536 in words is "twelve billion, five hundred forty-two million, two hundred sixty-two thousand, five hundred thirty-six".