212834720 has 48 divisors (see below), whose sum is σ = 574656768. Its totient is φ = 72971520.

The previous prime is 212834719. The next prime is 212834723. The reversal of 212834720 is 27438212.

212834720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212834723) 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, 93896 + ... + 96135.

It is an arithmetic number, because the mean of its divisors is an integer number (11972016).

Almost surely, 2^212834720 is an apocalyptic number.

212834720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212834720 is an abundant number, since it is smaller than the sum of its proper divisors (361822048).

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

212834720 is a wasteful number, since it uses less digits than its factorization.

212834720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190053 (or 190045 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 212834720 is about 14588.8560209497. The cubic root of 212834720 is about 597.0547513586.

The spelling of 212834720 in words is "two hundred twelve million, eight hundred thirty-four thousand, seven hundred twenty".