12210131022020 has 12 divisors (see below), whose sum is σ = 25641275146284. Its totient is φ = 4884052408800.

The previous prime is 12210131022007. The next prime is 12210131022059. The reversal of 12210131022020 is 2022013101221.

It can be written as a sum of positive squares in 2 ways, for example, as 2547682053316 + 9662448968704 = 1596146^2 + 3108448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12210131022020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305253275531 + ... + 305253275570.

It is an arithmetic number, because the mean of its divisors is an integer number (2136772928857).

Almost surely, 2^{12210131022020} is an apocalyptic number.

12210131022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210131022020 is an abundant number, since it is smaller than the sum of its proper divisors (13431144124264).

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

12210131022020 is a wasteful number, since it uses less digits than its factorization.

12210131022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610506551110 (or 610506551108 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12210131022020 its reverse (2022013101221), we get a palindrome (14232144123241).

The spelling of 12210131022020 in words is "twelve trillion, two hundred ten billion, one hundred thirty-one million, twenty-two thousand, twenty".