12536235684 has 36 divisors (see below), whose sum is σ = 36215792704. Its totient is φ = 3581781552.

The previous prime is 12536235653. The next prime is 12536235713. The reversal of 12536235684 is 48653263521.

12536235684 is a `hidden beast` number, since 1 + 2 + 536 + 2 + 35 + 6 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 24873232 + ... + 24873735.

Almost surely, 2^12536235684 is an apocalyptic number.

12536235684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12536235684 is an abundant number, since it is smaller than the sum of its proper divisors (23679557020).

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

12536235684 is a wasteful number, since it uses less digits than its factorization.

12536235684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49746984 (or 49746979 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 12536235684 in words is "twelve billion, five hundred thirty-six million, two hundred thirty-five thousand, six hundred eighty-four".