12533903244 has 36 divisors (see below), whose sum is σ = 31895572800. Its totient is φ = 4149925920.

The previous prime is 12533903233. The next prime is 12533903267. The reversal of 12533903244 is 44230933521.

12533903244 is a `hidden beast` number, since 1 + 2 + 533 + 90 + 32 + 4 + 4 = 666.

12533903244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 12533903199 and 12533903208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1162972 + ... + 1173699.

Almost surely, 2^12533903244 is an apocalyptic number.

It is an amenable number.

12533903244 is an abundant number, since it is smaller than the sum of its proper divisors (19361669556).

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

12533903244 is a wasteful number, since it uses less digits than its factorization.

12533903244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336830 (or 2336825 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 12533903244 in words is "twelve billion, five hundred thirty-three million, nine hundred three thousand, two hundred forty-four".