131213021102012 has 12 divisors (see below), whose sum is σ = 229628847601440. Its totient is φ = 65604778930176.

The previous prime is 131213021102003. The next prime is 131213021102021. The reversal of 131213021102012 is 210201120312131.

It is an interprime number because it is at equal distance from previous prime (131213021102003) and next prime (131213021102021).

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, 432734708 + ... + 433037819.

It is an arithmetic number, because the mean of its divisors is an integer number (19135737300120).

Almost surely, 2^{131213021102012} is an apocalyptic number.

It is an amenable number.

131213021102012 is a deficient number, since it is larger than the sum of its proper divisors (98415826499428).

131213021102012 is a wasteful number, since it uses less digits than its factorization.

131213021102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865810420 (or 865810418 counting only the distinct ones).

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

Adding to 131213021102012 its reverse (210201120312131), we get a palindrome (341414141414143).

The spelling of 131213021102012 in words is "one hundred thirty-one trillion, two hundred thirteen billion, twenty-one million, one hundred two thousand, twelve".