12536274132 has 72 divisors (see below), whose sum is σ = 31973760000. Its totient is φ = 4141326528.

The previous prime is 12536274089. The next prime is 12536274167. The reversal of 12536274132 is 23147263521.

12536274132 is a `hidden beast` number, since 1 + 25 + 3 + 627 + 4 + 1 + 3 + 2 = 666.

It is a super-2 number, since 2×12536274132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2609869 + ... + 2614667.

It is an arithmetic number, because the mean of its divisors is an integer number (444080000).

Almost surely, 2^12536274132 is an apocalyptic number.

12536274132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12536274132 is an abundant number, since it is smaller than the sum of its proper divisors (19437485868).

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

12536274132 is a wasteful number, since it uses less digits than its factorization.

12536274132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445 (or 5440 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The spelling of 12536274132 in words is "twelve billion, five hundred thirty-six million, two hundred seventy-four thousand, one hundred thirty-two".