131331120412 has 12 divisors (see below), whose sum is σ = 232977810016. Its totient is φ = 64766031840.

The previous prime is 131331120397. The next prime is 131331120413. The reversal of 131331120412 is 214021133131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131331120413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224881764 + ... + 224882347.

Almost surely, 2^131331120412 is an apocalyptic number.

It is an amenable number.

131331120412 is a deficient number, since it is larger than the sum of its proper divisors (101646689604).

131331120412 is a wasteful number, since it uses less digits than its factorization.

131331120412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449764188 (or 449764186 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131331120412 its reverse (214021133131), we get a palindrome (345352253543).

The spelling of 131331120412 in words is "one hundred thirty-one billion, three hundred thirty-one million, one hundred twenty thousand, four hundred twelve".