12522542552 has 32 divisors (see below), whose sum is σ = 25969314000. Its totient is φ = 5623426944.

The previous prime is 12522542507. The next prime is 12522542623. The reversal of 12522542552 is 25524522521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623302 + ... + 1630997.

Almost surely, 2^12522542552 is an apocalyptic number.

It is an amenable number.

12522542552 is an abundant number, since it is smaller than the sum of its proper divisors (13446771448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12522542552 is a wasteful number, since it uses less digits than its factorization.

12522542552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254355 (or 3254351 counting only the distinct ones).

The product of its digits is 80000, while the sum is 35.

The spelling of 12522542552 in words is "twelve billion, five hundred twenty-two million, five hundred forty-two thousand, five hundred fifty-two".