222112203212 has 12 divisors (see below), whose sum is σ = 388747067016. Its totient is φ = 111041612640.

The previous prime is 222112203197. The next prime is 222112203227. The reversal of 222112203212 is 212302211222.

It is an interprime number because it is at equal distance from previous prime (222112203197) and next prime (222112203227).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3587714 + ... + 3649097.

It is an arithmetic number, because the mean of its divisors is an integer number (32395588918).

Almost surely, 2^222112203212 is an apocalyptic number.

It is an amenable number.

222112203212 is a deficient number, since it is larger than the sum of its proper divisors (166634863804).

222112203212 is a wasteful number, since it uses less digits than its factorization.

222112203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244488 (or 7244486 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222112203212 its reverse (212302211222), we get a palindrome (434414414434).

The spelling of 222112203212 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred three thousand, two hundred twelve".