12132044412 has 12 divisors (see below), whose sum is σ = 28308103656. Its totient is φ = 4044014800.

The previous prime is 12132044399. The next prime is 12132044429. The reversal of 12132044412 is 21444023121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×12132044412² (a number of 21 digits) contains 22 as substring.

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, 505501839 + ... + 505501862.

It is an arithmetic number, because the mean of its divisors is an integer number (2359008638).

Almost surely, 2^12132044412 is an apocalyptic number.

12132044412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12132044412 is an abundant number, since it is smaller than the sum of its proper divisors (16176059244).

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

12132044412 is a wasteful number, since it uses less digits than its factorization.

12132044412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011003708 (or 1011003706 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12132044412 its reverse (21444023121), we get a palindrome (33576067533).

The spelling of 12132044412 in words is "twelve billion, one hundred thirty-two million, forty-four thousand, four hundred twelve".