222012120112 has 10 divisors (see below), whose sum is σ = 430148482748. Its totient is φ = 111006060048.

The previous prime is 222012120023. The next prime is 222012120139. The reversal of 222012120112 is 211021210222.

It is a happy number.

It is a super-2 number, since 2×222012120112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 13875757507 = 222012120112 / (2 + 2 + 2 + 0 + 1 + 2 + 1 + 2 + 0 + 1 + 1 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937878738 + ... + 6937878769.

Almost surely, 2^222012120112 is an apocalyptic number.

It is an amenable number.

222012120112 is a deficient number, since it is larger than the sum of its proper divisors (208136362636).

222012120112 is a wasteful number, since it uses less digits than its factorization.

222012120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13875757515 (or 13875757509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222012120112 its reverse (211021210222), we get a palindrome (433033330334).

The spelling of 222012120112 in words is "two hundred twenty-two billion, twelve million, one hundred twenty thousand, one hundred twelve".