122012020131 has 12 divisors (see below), whose sum is σ = 168485884632. Its totient is φ = 78536471104.

The previous prime is 122012020093. The next prime is 122012020181. The reversal of 122012020131 is 131020210221.

It is not a de Polignac number, because 122012020131 - 2¹⁹ = 122011495843 is a prime.

It is a super-2 number, since 2×122012020131² (a number of 23 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 122012020131.

It is not an unprimeable number, because it can be changed into a prime (122012020181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24177426 + ... + 24182471.

It is an arithmetic number, because the mean of its divisors is an integer number (14040490386).

Almost surely, 2^122012020131 is an apocalyptic number.

122012020131 is a deficient number, since it is larger than the sum of its proper divisors (46473864501).

122012020131 is an equidigital number, since it uses as much as digits as its factorization.

122012020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48359958 (or 48359929 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122012020131 its reverse (131020210221), we get a palindrome (253032230352).

The spelling of 122012020131 in words is "one hundred twenty-two billion, twelve million, twenty thousand, one hundred thirty-one".