2112122012120 has 32 divisors (see below), whose sum is σ = 4794330064320. Its totient is φ = 837372264960.

The previous prime is 2112122012087. The next prime is 2112122012129. The reversal of 2112122012120 is 212102212112.

It is a super-2 number, since 2×2112122012120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112122012129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233637296 + ... + 233646335.

It is an arithmetic number, because the mean of its divisors is an integer number (149822814510).

Almost surely, 2^{2112122012120} is an apocalyptic number.

2112122012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112122012120 is an abundant number, since it is smaller than the sum of its proper divisors (2682208052200).

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

2112122012120 is a wasteful number, since it uses less digits than its factorization.

2112122012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467283755 (or 467283751 counting only the distinct ones).

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

Adding to 2112122012120 its reverse (212102212112), we get a palindrome (2324224224232).

The spelling of 2112122012120 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, twelve thousand, one hundred twenty".