212270980 has 12 divisors (see below), whose sum is σ = 445769100. Its totient is φ = 84908384.

The previous prime is 212270977. The next prime is 212271011. The reversal of 212270980 is 89072212.

It can be written as a sum of positive squares in 2 ways, for example, as 88661056 + 123609924 = 9416^2 + 11118^2 .

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, 5306755 + ... + 5306794.

It is an arithmetic number, because the mean of its divisors is an integer number (37147425).

Almost surely, 2^212270980 is an apocalyptic number.

212270980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212270980 is an abundant number, since it is smaller than the sum of its proper divisors (233498120).

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

212270980 is a wasteful number, since it uses less digits than its factorization.

212270980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613558 (or 10613556 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 212270980 is about 14569.5222982773. The cubic root of 212270980 is about 596.5271412398.

The spelling of 212270980 in words is "two hundred twelve million, two hundred seventy thousand, nine hundred eighty".