222220112222212 has 24 divisors (see below), whose sum is σ = 423505053984600. Its totient is φ = 101410734011136.

The previous prime is 222220112222137. The next prime is 222220112222233. The reversal of 222220112222212 is 212222211022222.

It can be written as a sum of positive squares in 4 ways, for example, as 1315921002496 + 220904191219716 = 1147136^2 + 14862846^2 .

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, 24008218387 + ... + 24008227642.

It is an arithmetic number, because the mean of its divisors is an integer number (17646043916025).

Almost surely, 2^{222220112222212} is an apocalyptic number.

It is an amenable number.

222220112222212 is a deficient number, since it is larger than the sum of its proper divisors (201284941762388).

222220112222212 is a wasteful number, since it uses less digits than its factorization.

222220112222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48016446135 (or 48016446133 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 222220112222212 its reverse (212222211022222), we get a palindrome (434442323244434).

The spelling of 222220112222212 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twelve".