2112120212 has 24 divisors (see below), whose sum is σ = 3762339840. Its totient is φ = 1037277920.

The previous prime is 2112120191. The next prime is 2112120223. The reversal of 2112120212 is 2120212112.

It is a super-2 number, since 2×2112120212² = 8922103579877849888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62573 + ... + 90219.

It is an arithmetic number, because the mean of its divisors is an integer number (156764160).

Almost surely, 2^2112120212 is an apocalyptic number.

It is an amenable number.

2112120212 is a deficient number, since it is larger than the sum of its proper divisors (1650219628).

2112120212 is a wasteful number, since it uses less digits than its factorization.

2112120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27991 (or 27989 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2112120212 is about 45957.8090426426. The cubic root of 2112120212 is about 1283.0380739681.

Adding to 2112120212 its reverse (2120212112), we get a palindrome (4232332324).

The spelling of 2112120212 in words is "two billion, one hundred twelve million, one hundred twenty thousand, two hundred twelve".