131212024314420 has 120 divisors (see below), whose sum is σ = 428600443741344. Its totient is φ = 29991319810368.

The previous prime is 131212024314389. The next prime is 131212024314439. The reversal of 131212024314420 is 24413420212131.

It is a happy number.

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 39 ways as a sum of consecutive naturals, for example, 455263494 + ... + 455551613.

Almost surely, 2^{131212024314420} is an apocalyptic number.

131212024314420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131212024314420 is an abundant number, since it is smaller than the sum of its proper divisors (297388419426924).

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

131212024314420 is an equidigital number, since it uses as much as digits as its factorization.

131212024314420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910815147 (or 910815124 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 131212024314420 its reverse (24413420212131), we get a palindrome (155625444526551).

The spelling of 131212024314420 in words is "one hundred thirty-one trillion, two hundred twelve billion, twenty-four million, three hundred fourteen thousand, four hundred twenty".