1222112010112 has 64 divisors (see below), whose sum is σ = 2810036751840. Its totient is φ = 518576486400.

The previous prime is 1222112010103. The next prime is 1222112010257. The reversal of 1222112010112 is 2110102112221.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 6661803 + ... + 6842794.

Almost surely, 2^{1222112010112} is an apocalyptic number.

It is an amenable number.

1222112010112 is an abundant number, since it is smaller than the sum of its proper divisors (1587924741728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222112010112 is a wasteful number, since it uses less digits than its factorization.

1222112010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504719 (or 13504707 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222112010112 its reverse (2110102112221), we get a palindrome (3332214122333).

The spelling of 1222112010112 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, ten thousand, one hundred twelve".