131212242020022 has 32 divisors (see below), whose sum is σ = 277286627185920. Its totient is φ = 41277895619040.

The previous prime is 131212242019993. The next prime is 131212242020023. The reversal of 131212242020022 is 220020242212131.

It is a junction number, because it is equal to n+sod(n) for n = 131212242019974 and 131212242020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131212242020023) 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, 2188153629 + ... + 2188213592.

It is an arithmetic number, because the mean of its divisors is an integer number (8665207099560).

Almost surely, 2^{131212242020022} is an apocalyptic number.

131212242020022 is an abundant number, since it is smaller than the sum of its proper divisors (146074385165898).

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

131212242020022 is a wasteful number, since it uses less digits than its factorization.

131212242020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376367508.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 131212242020022 its reverse (220020242212131), we get a palindrome (351232484232153).

The spelling of 131212242020022 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred forty-two million, twenty thousand, twenty-two".