323321212 has 12 divisors (see below), whose sum is σ = 590412816. Its totient is φ = 154631840.

The previous prime is 323321197. The next prime is 323321213. The reversal of 323321212 is 212123323.

It is a super-2 number, since 2×323321212² = 209073212258297888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323321212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323321213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757089 + ... + 1757272.

It is an arithmetic number, because the mean of its divisors is an integer number (49201068).

Almost surely, 2^323321212 is an apocalyptic number.

It is an amenable number.

323321212 is a deficient number, since it is larger than the sum of its proper divisors (267091604).

323321212 is a wasteful number, since it uses less digits than its factorization.

323321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514388 (or 3514386 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 323321212 is about 17981.1348918804. The cubic root of 323321212 is about 686.3485692679.

Adding to 323321212 its reverse (212123323), we get a palindrome (535444535).

The spelling of 323321212 in words is "three hundred twenty-three million, three hundred twenty-one thousand, two hundred twelve".