12220202011122 has 48 divisors (see below), whose sum is σ = 31589637858720. Its totient is φ = 3491486288136.

The previous prime is 12220202011097. The next prime is 12220202011133. The reversal of 12220202011122 is 22111020202221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12220202011095 and 12220202011104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2309181408 + ... + 2309186699.

It is an arithmetic number, because the mean of its divisors is an integer number (658117455390).

Almost surely, 2^{12220202011122} is an apocalyptic number.

12220202011122 is an abundant number, since it is smaller than the sum of its proper divisors (19369435847598).

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

12220202011122 is a wasteful number, since it uses less digits than its factorization.

12220202011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618368132 (or 4618368119 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220202011122 its reverse (22111020202221), we get a palindrome (34331222213343).

The spelling of 12220202011122 in words is "twelve trillion, two hundred twenty billion, two hundred two million, eleven thousand, one hundred twenty-two".