131212303314420 has 48 divisors (see below), whose sum is σ = 367460374216320. Its totient is φ = 34983668985216.

The previous prime is 131212303314347. The next prime is 131212303314431. The reversal of 131212303314420 is 24413303212131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195868000 + ... + 196536759.

It is an arithmetic number, because the mean of its divisors is an integer number (7655424462840).

Almost surely, 2^{131212303314420} is an apocalyptic number.

131212303314420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131212303314420 is an abundant number, since it is smaller than the sum of its proper divisors (236248070901900).

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

131212303314420 is a wasteful number, since it uses less digits than its factorization.

131212303314420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392410344 (or 392410342 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131212303314420 its reverse (24413303212131), we get a palindrome (155625606526551).

The spelling of 131212303314420 in words is "one hundred thirty-one trillion, two hundred twelve billion, three hundred three million, three hundred fourteen thousand, four hundred twenty".