1222000222112 has 24 divisors (see below), whose sum is σ = 2406836400192. Its totient is φ = 610740184000.

The previous prime is 1222000222109. The next prime is 1222000222141. The reversal of 1222000222112 is 2112220002221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8046314 + ... + 8196777.

It is an arithmetic number, because the mean of its divisors is an integer number (100284850008).

Almost surely, 2^{1222000222112} is an apocalyptic number.

It is an amenable number.

1222000222112 is a deficient number, since it is larger than the sum of its proper divisors (1184836178080).

1222000222112 is a wasteful number, since it uses less digits than its factorization.

1222000222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16245452 (or 16245444 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222000222112 its reverse (2112220002221), we get a palindrome (3334220224333).

The spelling of 1222000222112 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two thousand, one hundred twelve".