12013220320122 has 32 divisors (see below), whose sum is σ = 27463613104512. Its totient is φ = 3431745687744.

The previous prime is 12013220320111. The next prime is 12013220320163. The reversal of 12013220320122 is 22102302231021.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 24882013 + ... + 25360224.

It is an arithmetic number, because the mean of its divisors is an integer number (858237909516).

Almost surely, 2^{12013220320122} is an apocalyptic number.

12013220320122 is an abundant number, since it is smaller than the sum of its proper divisors (15450392784390).

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

12013220320122 is a wasteful number, since it uses less digits than its factorization.

12013220320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50247942.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12013220320122 its reverse (22102302231021), we get a palindrome (34115522551143).

The spelling of 12013220320122 in words is "twelve trillion, thirteen billion, two hundred twenty million, three hundred twenty thousand, one hundred twenty-two".