213212874 has 32 divisors (see below), whose sum is σ = 499234176. Its totient is φ = 59431680.

The previous prime is 213212869. The next prime is 213212911. The reversal of 213212874 is 478212312.

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, 60187 + ... + 63630.

It is an arithmetic number, because the mean of its divisors is an integer number (15601068).

Almost surely, 2^213212874 is an apocalyptic number.

213212874 is an abundant number, since it is smaller than the sum of its proper divisors (286021302).

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

213212874 is a wasteful number, since it uses less digits than its factorization.

213212874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123870.

The product of its digits is 5376, while the sum is 30.

The square root of 213212874 is about 14601.8106411500. The cubic root of 213212874 is about 597.4081477357.

The spelling of 213212874 in words is "two hundred thirteen million, two hundred twelve thousand, eight hundred seventy-four".