222212122102012 has 96 divisors (see below), whose sum is σ = 458082485683200. Its totient is φ = 94270616193600.

The previous prime is 222212122101941. The next prime is 222212122102097. The reversal of 222212122102012 is 210201221212222.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 654305793 + ... + 654645319.

It is an arithmetic number, because the mean of its divisors is an integer number (4771692559200).

Almost surely, 2^{222212122102012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222212122102012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229041242841600).

222212122102012 is an abundant number, since it is smaller than the sum of its proper divisors (235870363581188).

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

222212122102012 is a wasteful number, since it uses less digits than its factorization.

222212122102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344376 (or 344360 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222212122102012 its reverse (210201221212222), we get a palindrome (432413343314234).

The spelling of 222212122102012 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred two thousand, twelve".