131120011212 has 24 divisors (see below), whose sum is σ = 323943557616. Its totient is φ = 41135689728.

The previous prime is 131120011181. The next prime is 131120011279. The reversal of 131120011212 is 212110021131.

It is a junction number, because it is equal to n+sod(n) for n = 131120011191 and 131120011200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321372373 + ... + 321372780.

It is an arithmetic number, because the mean of its divisors is an integer number (13497648234).

Almost surely, 2^131120011212 is an apocalyptic number.

131120011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131120011212 is an abundant number, since it is smaller than the sum of its proper divisors (192823546404).

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

131120011212 is a wasteful number, since it uses less digits than its factorization.

131120011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642745177 (or 642745175 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 131120011212 its reverse (212110021131), we get a palindrome (343230032343).

The spelling of 131120011212 in words is "one hundred thirty-one billion, one hundred twenty million, eleven thousand, two hundred twelve".