131021203012 has 48 divisors (see below), whose sum is σ = 274963368960. Its totient is φ = 53410449312.

The previous prime is 131021203009. The next prime is 131021203091. The reversal of 131021203012 is 210302120131.

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, 453018 + ... + 683569.

It is an arithmetic number, because the mean of its divisors is an integer number (5728403520).

Almost surely, 2^131021203012 is an apocalyptic number.

It is an amenable number.

131021203012 is an abundant number, since it is smaller than the sum of its proper divisors (143942165948).

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

131021203012 is a wasteful number, since it uses less digits than its factorization.

131021203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136800 (or 1136798 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131021203012 its reverse (210302120131), we get a palindrome (341323323143).

The spelling of 131021203012 in words is "one hundred thirty-one billion, twenty-one million, two hundred three thousand, twelve".