12220220022 has 32 divisors (see below), whose sum is σ = 25520624640. Its totient is φ = 3893619840.

The previous prime is 12220219997. The next prime is 12220220053. The reversal of 12220220022 is 22002202221.

It is a junction number, because it is equal to n+sod(n) for n = 12220219983 and 12220220010.

It is a congruent number.

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, 175747 + ... + 235217.

It is an arithmetic number, because the mean of its divisors is an integer number (797519520).

Almost surely, 2^12220220022 is an apocalyptic number.

12220220022 is an abundant number, since it is smaller than the sum of its proper divisors (13300404618).

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

12220220022 is a wasteful number, since it uses less digits than its factorization.

12220220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60988.

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

Adding to 12220220022 its reverse (22002202221), we get a palindrome (34222422243).

The spelling of 12220220022 in words is "twelve billion, two hundred twenty million, two hundred twenty thousand, twenty-two".