213330212 has 12 divisors (see below), whose sum is σ = 395288460. Its totient is φ = 100390656.

The previous prime is 213330209. The next prime is 213330239. The reversal of 213330212 is 212033312.

It can be written as a sum of positive squares in 2 ways, for example, as 63904036 + 149426176 = 7994^2 + 12224^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568537 + ... + 1568672.

It is an arithmetic number, because the mean of its divisors is an integer number (32940705).

Almost surely, 2^213330212 is an apocalyptic number.

It is an amenable number.

213330212 is a deficient number, since it is larger than the sum of its proper divisors (181958248).

213330212 is a wasteful number, since it uses less digits than its factorization.

213330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137230 (or 3137228 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213330212 is about 14605.8280148713. The cubic root of 213330212 is about 597.5177187022.

Adding to 213330212 its reverse (212033312), we get a palindrome (425363524).

The spelling of 213330212 in words is "two hundred thirteen million, three hundred thirty thousand, two hundred twelve".