131012210120312 has 16 divisors (see below), whose sum is σ = 251639306024400. Its totient is φ = 63908395180480.

The previous prime is 131012210120269. The next prime is 131012210120357. The reversal of 131012210120312 is 213021012210131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199713734612 + ... + 199713735267.

It is an arithmetic number, because the mean of its divisors is an integer number (15727456626525).

Almost surely, 2^{131012210120312} is an apocalyptic number.

It is an amenable number.

131012210120312 is a deficient number, since it is larger than the sum of its proper divisors (120627095904088).

131012210120312 is a wasteful number, since it uses less digits than its factorization.

131012210120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399427469926 (or 399427469922 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 131012210120312 its reverse (213021012210131), we get a palindrome (344033222330443).

The spelling of 131012210120312 in words is "one hundred thirty-one trillion, twelve billion, two hundred ten million, one hundred twenty thousand, three hundred twelve".