12153215836 has 12 divisors (see below), whose sum is σ = 21279569080. Its totient is φ = 6073338960.

The previous prime is 12153215819. The next prime is 12153215849. The reversal of 12153215836 is 63851235121.

It is a junction number, because it is equal to n+sod(n) for n = 12153215795 and 12153215804.

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, 808866 + ... + 823753.

Almost surely, 2^12153215836 is an apocalyptic number.

It is an amenable number.

12153215836 is a deficient number, since it is larger than the sum of its proper divisors (9126353244).

12153215836 is a wasteful number, since it uses less digits than its factorization.

12153215836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634484 (or 1634482 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The spelling of 12153215836 in words is "twelve billion, one hundred fifty-three million, two hundred fifteen thousand, eight hundred thirty-six".