12220112212210 has 128 divisors (see below), whose sum is σ = 27025659694080. Its totient is φ = 3882929971200.

The previous prime is 12220112212181. The next prime is 12220112212249. The reversal of 12220112212210 is 1221221102221.

It is a super-2 number, since 2×12220112212210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68263020 + ... + 68441800.

It is an arithmetic number, because the mean of its divisors is an integer number (211137966360).

Almost surely, 2^{12220112212210} is an apocalyptic number.

12220112212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220112212210 is an abundant number, since it is smaller than the sum of its proper divisors (14805547481870).

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

12220112212210 is a wasteful number, since it uses less digits than its factorization.

12220112212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179692.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12220112212210 its reverse (1221221102221), we get a palindrome (13441333314431).

The spelling of 12220112212210 in words is "twelve trillion, two hundred twenty billion, one hundred twelve million, two hundred twelve thousand, two hundred ten".