2112120120212 has 12 divisors (see below), whose sum is σ = 3740742864096. Its totient is φ = 1043336444760.

The previous prime is 2112120120191. The next prime is 2112120120239. The reversal of 2112120120212 is 2120210212112.

It is a super-2 number, since 2×2112120120212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 3180903464 + ... + 3180904127.

It is an arithmetic number, because the mean of its divisors is an integer number (311728572008).

Almost surely, 2^{2112120120212} is an apocalyptic number.

It is an amenable number.

2112120120212 is a deficient number, since it is larger than the sum of its proper divisors (1628622743884).

2112120120212 is a wasteful number, since it uses less digits than its factorization.

2112120120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6361807678 (or 6361807676 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112120120212 its reverse (2120210212112), we get a palindrome (4232330332324).

The spelling of 2112120120212 in words is "two trillion, one hundred twelve billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".