12533354136 has 48 divisors (see below), whose sum is σ = 34733916360. Its totient is φ = 4080625920.

The previous prime is 12533354111. The next prime is 12533354147. The reversal of 12533354136 is 63145333521.

12533354136 is a `hidden beast` number, since 1 + 2 + 53 + 33 + 541 + 36 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12533354136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2021025 + ... + 2027216.

Almost surely, 2^12533354136 is an apocalyptic number.

It is an amenable number.

12533354136 is an abundant number, since it is smaller than the sum of its proper divisors (22200562224).

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

12533354136 is a wasteful number, since it uses less digits than its factorization.

12533354136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048296 (or 4048289 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

Adding to 12533354136 its reverse (63145333521), we get a palindrome (75678687657).

The spelling of 12533354136 in words is "twelve billion, five hundred thirty-three million, three hundred fifty-four thousand, one hundred thirty-six".