222122012012 has 12 divisors (see below), whose sum is σ = 389432034096. Its totient is φ = 110855716560.

The previous prime is 222122011981. The next prime is 222122012017. The reversal of 222122012012 is 210210221222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222122012017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51319928 + ... + 51324255.

It is an arithmetic number, because the mean of its divisors is an integer number (32452669508).

Almost surely, 2^222122012012 is an apocalyptic number.

It is an amenable number.

222122012012 is a deficient number, since it is larger than the sum of its proper divisors (167310022084).

222122012012 is a wasteful number, since it uses less digits than its factorization.

222122012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102644728 (or 102644726 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222122012012 its reverse (210210221222), we get a palindrome (432332233234).

The spelling of 222122012012 in words is "two hundred twenty-two billion, one hundred twenty-two million, twelve thousand, twelve".