2112012120222 has 24 divisors (see below), whose sum is σ = 4576052997360. Its totient is φ = 703999926720.

The previous prime is 2112012120209. The next prime is 2112012120227. The reversal of 2112012120222 is 2220212102112.

It is a happy number.

2112012120222 is a `hidden beast` number, since 211 + 20 + 1 + 212 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2112012120195 and 2112012120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112012120227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5761647 + ... + 6117237.

It is an arithmetic number, because the mean of its divisors is an integer number (190668874890).

Almost surely, 2^{2112012120222} is an apocalyptic number.

2112012120222 is an abundant number, since it is smaller than the sum of its proper divisors (2464040877138).

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

2112012120222 is a wasteful number, since it uses less digits than its factorization.

2112012120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685568 (or 685565 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2112012120222 its reverse (2220212102112), we get a palindrome (4332224222334).

The spelling of 2112012120222 in words is "two trillion, one hundred twelve billion, twelve million, one hundred twenty thousand, two hundred twenty-two".