222112212100012 has 12 divisors (see below), whose sum is σ = 418596092034736. Its totient is φ = 102513328661520.

The previous prime is 222112212099881. The next prime is 222112212100021. The reversal of 222112212100012 is 210001212211222.

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, 2135694347064 + ... + 2135694347167.

Almost surely, 2^{222112212100012} is an apocalyptic number.

It is an amenable number.

222112212100012 is a deficient number, since it is larger than the sum of its proper divisors (196483879934724).

222112212100012 is a wasteful number, since it uses less digits than its factorization.

222112212100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271388694248 (or 4271388694246 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222112212100012 its reverse (210001212211222), we get a palindrome (432113424311234).

The spelling of 222112212100012 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twelve million, one hundred thousand, twelve".