131203233012 has 48 divisors (see below), whose sum is σ = 324350937792. Its totient is φ = 41136176640.

The previous prime is 131203232983. The next prime is 131203233041. The reversal of 131203233012 is 210332302131.

It is an interprime number because it is at equal distance from previous prime (131203232983) and next prime (131203233041).

It is a self number, because there is not a number n which added to its sum of digits gives 131203233012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129687 + ... + 528417.

It is an arithmetic number, because the mean of its divisors is an integer number (6757311204).

Almost surely, 2^131203233012 is an apocalyptic number.

131203233012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131203233012 is an abundant number, since it is smaller than the sum of its proper divisors (193147704780).

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

131203233012 is a wasteful number, since it uses less digits than its factorization.

131203233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400368 (or 400366 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131203233012 its reverse (210332302131), we get a palindrome (341535535143).

The spelling of 131203233012 in words is "one hundred thirty-one billion, two hundred three million, two hundred thirty-three thousand, twelve".