212725180 has 12 divisors (see below), whose sum is σ = 446722920. Its totient is φ = 85090064.

The previous prime is 212725169. The next prime is 212725187. The reversal of 212725180 is 81527212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212725187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318110 + ... + 5318149.

It is an arithmetic number, because the mean of its divisors is an integer number (37226910).

Almost surely, 2^212725180 is an apocalyptic number.

212725180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212725180 is an abundant number, since it is smaller than the sum of its proper divisors (233997740).

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

212725180 is a wasteful number, since it uses less digits than its factorization.

212725180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10636268 (or 10636266 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 212725180 is about 14585.1013023565. The cubic root of 212725180 is about 596.9523047266.

The spelling of 212725180 in words is "two hundred twelve million, seven hundred twenty-five thousand, one hundred eighty".