12220001220022 has 16 divisors (see below), whose sum is σ = 18343090229472. Its totient is φ = 6105638779200.

The previous prime is 12220001219957. The next prime is 12220001220023. The reversal of 12220001220022 is 22002210002221.

It is a junction number, because it is equal to n+sod(n) for n = 12220001219978 and 12220001220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220001220023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25469647 + ... + 25944997.

It is an arithmetic number, because the mean of its divisors is an integer number (1146443139342).

Almost surely, 2^{12220001220022} is an apocalyptic number.

12220001220022 is a deficient number, since it is larger than the sum of its proper divisors (6123089009450).

12220001220022 is a wasteful number, since it uses less digits than its factorization.

12220001220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484503.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12220001220022 its reverse (22002210002221), we get a palindrome (34222211222243).

The spelling of 12220001220022 in words is "twelve trillion, two hundred twenty billion, one million, two hundred twenty thousand, twenty-two".