12013033400 has 48 divisors (see below), whose sum is σ = 29144674800. Its totient is φ = 4596289280.

The previous prime is 12013033381. The next prime is 12013033421. The reversal of 12013033400 is 433031021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1301165 + ... + 1310364.

It is an arithmetic number, because the mean of its divisors is an integer number (607180725).

Almost surely, 2^12013033400 is an apocalyptic number.

12013033400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013033400 is an abundant number, since it is smaller than the sum of its proper divisors (17131641400).

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

12013033400 is a wasteful number, since it uses less digits than its factorization.

12013033400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611568 (or 2611559 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12013033400 its reverse (433031021), we get a palindrome (12446064421).

The spelling of 12013033400 in words is "twelve billion, thirteen million, thirty-three thousand, four hundred".