131212214133110 has 72 divisors (see below), whose sum is σ = 268249489696944. Its totient is φ = 46174385796000.

The previous prime is 131212214133109. The next prime is 131212214133113. The reversal of 131212214133110 is 11331412212131.

It is a super-2 number, since 2×131212214133110² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131212214133110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212214133113) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55257506 + ... + 57583125.

It is an arithmetic number, because the mean of its divisors is an integer number (3725687356902).

Almost surely, 2^{131212214133110} is an apocalyptic number.

131212214133110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131212214133110 is an abundant number, since it is smaller than the sum of its proper divisors (137037275563834).

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

131212214133110 is a wasteful number, since it uses less digits than its factorization.

131212214133110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112840722 (or 112840680 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 131212214133110 its reverse (11331412212131), we get a palindrome (142543626345241).

The spelling of 131212214133110 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred fourteen million, one hundred thirty-three thousand, one hundred ten".