12220112202222 has 16 divisors (see below), whose sum is σ = 24493704113232. Its totient is φ = 4064457449280.

The previous prime is 12220112202211. The next prime is 12220112202247. The reversal of 12220112202222 is 22220221102221.

It is a super-2 number, since 2×12220112202222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228318229 + ... + 2228323712.

It is an arithmetic number, because the mean of its divisors is an integer number (1530856507077).

Almost surely, 2^{12220112202222} is an apocalyptic number.

12220112202222 is an abundant number, since it is smaller than the sum of its proper divisors (12273591911010).

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

12220112202222 is a wasteful number, since it uses less digits than its factorization.

12220112202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456642403.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12220112202222 its reverse (22220221102221), we get a palindrome (34440333304443).

The spelling of 12220112202222 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, two hundred two thousand, two hundred twenty-two".