304320212 has 24 divisors (see below), whose sum is σ = 609569856. Its totient is φ = 130223808.

The previous prime is 304320167. The next prime is 304320239. The reversal of 304320212 is 212023403.

It is a super-2 number, since 2×304320212² = 185221582863449888, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11168 + ... + 27080.

It is an arithmetic number, because the mean of its divisors is an integer number (25398744).

Almost surely, 2^304320212 is an apocalyptic number.

It is an amenable number.

304320212 is an abundant number, since it is smaller than the sum of its proper divisors (305249644).

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

304320212 is a wasteful number, since it uses less digits than its factorization.

304320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16607 (or 16605 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 304320212 is about 17444.7760662039. The cubic root of 304320212 is about 672.6310829178.

Adding to 304320212 its reverse (212023403), we get a palindrome (516343615).

The spelling of 304320212 in words is "three hundred four million, three hundred twenty thousand, two hundred twelve".