222012222112012 has 6 divisors (see below), whose sum is σ = 388521388696028. Its totient is φ = 111006111056004.

The previous prime is 222012222111989. The next prime is 222012222112027. The reversal of 222012222112012 is 210211222210222.

It is a super-2 number, since 2×222012222112012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27751527763998 + ... + 27751527764005.

Almost surely, 2^{222012222112012} is an apocalyptic number.

It is an amenable number.

222012222112012 is a deficient number, since it is larger than the sum of its proper divisors (166509166584016).

222012222112012 is a wasteful number, since it uses less digits than its factorization.

222012222112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55503055528007 (or 55503055528005 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222012222112012 its reverse (210211222210222), we get a palindrome (432223444322234).

The spelling of 222012222112012 in words is "two hundred twenty-two trillion, twelve billion, two hundred twenty-two million, one hundred twelve thousand, twelve".