12520543132 has 12 divisors (see below), whose sum is σ = 21961556176. Its totient is φ = 6245812800.

The previous prime is 12520543117. The next prime is 12520543177. The reversal of 12520543132 is 23134502521.

It is a self number, because there is not a number n which added to its sum of digits gives 12520543132.

It is a congruent number.

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, 3612744 + ... + 3616207.

Almost surely, 2^12520543132 is an apocalyptic number.

It is an amenable number.

12520543132 is a deficient number, since it is larger than the sum of its proper divisors (9441013044).

12520543132 is a wasteful number, since it uses less digits than its factorization.

12520543132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229388 (or 7229386 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 12520543132 in words is "twelve billion, five hundred twenty million, five hundred forty-three thousand, one hundred thirty-two".