212725860 has 48 divisors (see below), whose sum is σ = 597252096. Its totient is φ = 56572672.

The previous prime is 212725853. The next prime is 212725883. The reversal of 212725860 is 68527212.

212725860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18352 + ... + 27608.

It is an arithmetic number, because the mean of its divisors is an integer number (12442752).

Almost surely, 2^212725860 is an apocalyptic number.

212725860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212725860 is an abundant number, since it is smaller than the sum of its proper divisors (384526236).

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

212725860 is a wasteful number, since it uses less digits than its factorization.

212725860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9652 (or 9650 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 212725860 is about 14585.1246137974. The cubic root of 212725860 is about 596.9529408010.

The spelling of 212725860 in words is "two hundred twelve million, seven hundred twenty-five thousand, eight hundred sixty".