12133338408 has 32 divisors (see below), whose sum is σ = 33703718400. Its totient is φ = 4044446064.

The previous prime is 12133338367. The next prime is 12133338409. The reversal of 12133338408 is 80483333121.

12133338408 is a `hidden beast` number, since 1 + 213 + 3 + 3 + 38 + 408 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12133338409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28086216 + ... + 28086647.

It is an arithmetic number, because the mean of its divisors is an integer number (1053241200).

Almost surely, 2^12133338408 is an apocalyptic number.

12133338408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12133338408 is an abundant number, since it is smaller than the sum of its proper divisors (21570379992).

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

12133338408 is a wasteful number, since it uses less digits than its factorization.

12133338408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56172878 (or 56172868 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 12133338408 in words is "twelve billion, one hundred thirty-three million, three hundred thirty-eight thousand, four hundred eight".