131023223112012 has 48 divisors (see below), whose sum is σ = 381158467237632. Its totient is φ = 34032006002880.

The previous prime is 131023223112011. The next prime is 131023223112043. The reversal of 131023223112012 is 210211322320131.

It is not an unprimeable number, because it can be changed into a prime (131023223112011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70900011583 + ... + 70900013430.

It is an arithmetic number, because the mean of its divisors is an integer number (7940801400784).

Almost surely, 2^{131023223112012} is an apocalyptic number.

131023223112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131023223112012 is an abundant number, since it is smaller than the sum of its proper divisors (250135244125620).

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

131023223112012 is a wasteful number, since it uses less digits than its factorization.

131023223112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141800025038 (or 141800025036 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131023223112012 its reverse (210211322320131), we get a palindrome (341234545432143).

The spelling of 131023223112012 in words is "one hundred thirty-one trillion, twenty-three billion, two hundred twenty-three million, one hundred twelve thousand, twelve".