12014431444520 has 32 divisors (see below), whose sum is σ = 28455232370400. Its totient is φ = 4552837178688.

The previous prime is 12014431444471. The next prime is 12014431444523. The reversal of 12014431444520 is 2544413441021.

It is not an unprimeable number, because it can be changed into a prime (12014431444523) 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, 7904230454 + ... + 7904231973.

It is an arithmetic number, because the mean of its divisors is an integer number (889226011575).

Almost surely, 2^{12014431444520} is an apocalyptic number.

12014431444520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12014431444520 is an abundant number, since it is smaller than the sum of its proper divisors (16440800925880).

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

12014431444520 is a wasteful number, since it uses less digits than its factorization.

12014431444520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15808462457 (or 15808462453 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 12014431444520 its reverse (2544413441021), we get a palindrome (14558844885541).

The spelling of 12014431444520 in words is "twelve trillion, fourteen billion, four hundred thirty-one million, four hundred forty-four thousand, five hundred twenty".