212443120 has 20 divisors (see below), whose sum is σ = 493930440. Its totient is φ = 84977216.

The previous prime is 212443117. The next prime is 212443141. The reversal of 212443120 is 21344212.

212443120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

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, 1327690 + ... + 1327849.

It is an arithmetic number, because the mean of its divisors is an integer number (24696522).

Almost surely, 2^212443120 is an apocalyptic number.

212443120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212443120 is an abundant number, since it is smaller than the sum of its proper divisors (281487320).

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

212443120 is a wasteful number, since it uses less digits than its factorization.

212443120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655552 (or 2655546 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 212443120 is about 14575.4286386370. The cubic root of 212443120 is about 596.6883478211.

Adding to 212443120 its reverse (21344212), we get a palindrome (233787332).

The spelling of 212443120 in words is "two hundred twelve million, four hundred forty-three thousand, one hundred twenty".