2012222100112 has 20 divisors (see below), whose sum is σ = 4455634650496. Its totient is φ = 862380900000.

The previous prime is 2012222100073. The next prime is 2012222100139. The reversal of 2012222100112 is 2110012222102.

It is a happy number.

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

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, 8983134264 + ... + 8983134487.

Almost surely, 2^{2012222100112} is an apocalyptic number.

It is an amenable number.

2012222100112 is an abundant number, since it is smaller than the sum of its proper divisors (2443412550384).

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

2012222100112 is a wasteful number, since it uses less digits than its factorization.

2012222100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17966268766 (or 17966268760 counting only the distinct ones).

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

Adding to 2012222100112 its reverse (2110012222102), we get a palindrome (4122234322214).

The spelling of 2012222100112 in words is "two trillion, twelve billion, two hundred twenty-two million, one hundred thousand, one hundred twelve".