12220022022 has 16 divisors (see below), whose sum is σ = 26320047600. Its totient is φ = 3760006752.

The previous prime is 12220022021. The next prime is 12220022033. The reversal of 12220022022 is 22022002221.

It is a junction number, because it is equal to n+sod(n) for n = 12220021992 and 12220022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220022021) 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, 78333397 + ... + 78333552.

It is an arithmetic number, because the mean of its divisors is an integer number (1645002975).

Almost surely, 2^12220022022 is an apocalyptic number.

12220022022 is an abundant number, since it is smaller than the sum of its proper divisors (14100025578).

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

12220022022 is a wasteful number, since it uses less digits than its factorization.

12220022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156666967.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 12220022022 its reverse (22022002221), we get a palindrome (34242024243).

The spelling of 12220022022 in words is "twelve billion, two hundred twenty million, twenty-two thousand, twenty-two".