2112012222112 has 24 divisors (see below), whose sum is σ = 4477872067956. Its totient is φ = 974774871552.

The previous prime is 2112012222109. The next prime is 2112012222113. The reversal of 2112012222112 is 2112222102112.

It can be written as a sum of positive squares in 2 ways, for example, as 2112011132176 + 1089936 = 1453276^2 + 1044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2112012222112.

It is not an unprimeable number, because it can be changed into a prime (2112012222113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2538475813 + ... + 2538476644.

Almost surely, 2^{2112012222112} is an apocalyptic number.

It is an amenable number.

2112012222112 is an abundant number, since it is smaller than the sum of its proper divisors (2365859845844).

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

2112012222112 is a wasteful number, since it uses less digits than its factorization.

2112012222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076952480 (or 5076952472 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2112012222112 its reverse (2112222102112), we get a palindrome (4224234324224).

The spelling of 2112012222112 in words is "two trillion, one hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred twelve".