212080218 has 32 divisors (see below), whose sum is σ = 489761664. Its totient is φ = 59968512.

The previous prime is 212080213. The next prime is 212080229. The reversal of 212080218 is 812080212.

It is not an unprimeable number, because it can be changed into a prime (212080213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21955 + ... + 30102.

It is an arithmetic number, because the mean of its divisors is an integer number (15305052).

Almost surely, 2^212080218 is an apocalyptic number.

212080218 is an abundant number, since it is smaller than the sum of its proper divisors (277681446).

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

212080218 is a wasteful number, since it uses less digits than its factorization.

212080218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52166.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 212080218 is about 14562.9742154548. The cubic root of 212080218 is about 596.3483935912.

The spelling of 212080218 in words is "two hundred twelve million, eighty thousand, two hundred eighteen".