13333318812 has 36 divisors (see below), whose sum is σ = 36767637816. Its totient is φ = 4040399520.

The previous prime is 13333318771. The next prime is 13333318813. The reversal of 13333318812 is 21881333331.

13333318812 is a `hidden beast` number, since 1 + 3 + 333 + 318 + 8 + 1 + 2 = 666.

13333318812 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333318813) by changing a digit.

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, 16834603 + ... + 16835394.

Almost surely, 2^13333318812 is an apocalyptic number.

13333318812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13333318812 is an abundant number, since it is smaller than the sum of its proper divisors (23434319004).

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

13333318812 is a wasteful number, since it uses less digits than its factorization.

13333318812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33670018 (or 33670013 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The spelling of 13333318812 in words is "thirteen billion, three hundred thirty-three million, three hundred eighteen thousand, eight hundred twelve".