212113120 has 24 divisors (see below), whose sum is σ = 501117624. Its totient is φ = 84845184.

The previous prime is 212113117. The next prime is 212113141. The reversal of 212113120 is 21311212.

It is a super-2 number, since 2×212113120² = 89983951352268800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212113120.

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, 662694 + ... + 663013.

It is an arithmetic number, because the mean of its divisors is an integer number (20879901).

Almost surely, 2^212113120 is an apocalyptic number.

212113120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212113120 is an abundant number, since it is smaller than the sum of its proper divisors (289004504).

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

212113120 is a wasteful number, since it uses less digits than its factorization.

212113120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325722 (or 1325714 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 212113120 is about 14564.1038172625. The cubic root of 212113120 is about 596.3792310426.

Adding to 212113120 its reverse (21311212), we get a palindrome (233424332).

The spelling of 212113120 in words is "two hundred twelve million, one hundred thirteen thousand, one hundred twenty".