131222113132 has 48 divisors (see below), whose sum is σ = 251244362880. Its totient is φ = 59473008000.

The previous prime is 131222113069. The next prime is 131222113159. The reversal of 131222113132 is 231311222131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26310343 + ... + 26315329.

It is an arithmetic number, because the mean of its divisors is an integer number (5234257560).

Almost surely, 2^131222113132 is an apocalyptic number.

It is an amenable number.

131222113132 is a deficient number, since it is larger than the sum of its proper divisors (120022249748).

131222113132 is a wasteful number, since it uses less digits than its factorization.

131222113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622 (or 6620 counting only the distinct ones).

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

Adding to 131222113132 its reverse (231311222131), we get a palindrome (362533335263).

The spelling of 131222113132 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred thirty-two".