222312122212 has 48 divisors (see below), whose sum is σ = 408000724992. Its totient is φ = 105789641760.

The previous prime is 222312122173. The next prime is 222312122239. The reversal of 222312122212 is 212221213222.

It is a happy 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, 62044573 + ... + 62048155.

It is an arithmetic number, because the mean of its divisors is an integer number (8500015104).

Almost surely, 2^222312122212 is an apocalyptic number.

It is an amenable number.

222312122212 is a deficient number, since it is larger than the sum of its proper divisors (185688602780).

222312122212 is a wasteful number, since it uses less digits than its factorization.

222312122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808 (or 6806 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

Adding to 222312122212 its reverse (212221213222), we get a palindrome (434533335434).

The spelling of 222312122212 in words is "two hundred twenty-two billion, three hundred twelve million, one hundred twenty-two thousand, two hundred twelve".