131201133112 has 64 divisors (see below), whose sum is σ = 282474086400. Its totient is φ = 55963703040.

The previous prime is 131201133103. The next prime is 131201133157. The reversal of 131201133112 is 211331102131.

It is a self number, because there is not a number n which added to its sum of digits gives 131201133112.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18980937 + ... + 18987847.

It is an arithmetic number, because the mean of its divisors is an integer number (4413657600).

Almost surely, 2^131201133112 is an apocalyptic number.

It is an amenable number.

131201133112 is an abundant number, since it is smaller than the sum of its proper divisors (151272953288).

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

131201133112 is a wasteful number, since it uses less digits than its factorization.

131201133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476 (or 8472 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131201133112 its reverse (211331102131), we get a palindrome (342532235243).

The spelling of 131201133112 in words is "one hundred thirty-one billion, two hundred one million, one hundred thirty-three thousand, one hundred twelve".