131022462612 has 48 divisors (see below), whose sum is σ = 316595994624. Its totient is φ = 42129372000.

The previous prime is 131022462583. The next prime is 131022462619. The reversal of 131022462612 is 216264220131.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 131022462612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022462619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450564 + ... + 681947.

It is an arithmetic number, because the mean of its divisors is an integer number (6595749888).

Almost surely, 2^131022462612 is an apocalyptic number.

131022462612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131022462612 is an abundant number, since it is smaller than the sum of its proper divisors (185573532012).

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

131022462612 is a wasteful number, since it uses less digits than its factorization.

131022462612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132860 (or 1132858 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 131022462612 its reverse (216264220131), we get a palindrome (347286682743).

The spelling of 131022462612 in words is "one hundred thirty-one billion, twenty-two million, four hundred sixty-two thousand, six hundred twelve".