212304324 has 12 divisors (see below), whose sum is σ = 495376784. Its totient is φ = 70768104.

The previous prime is 212304319. The next prime is 212304341. The reversal of 212304324 is 423403212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 212304324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8846002 + ... + 8846025.

Almost surely, 2^212304324 is an apocalyptic number.

It is an amenable number.

212304324 is an abundant number, since it is smaller than the sum of its proper divisors (283072460).

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

212304324 is a wasteful number, since it uses less digits than its factorization.

212304324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17692034 (or 17692032 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 212304324 is about 14570.6665599073. Note that the first 3 decimals coincide. The cubic root of 212304324 is about 596.5583742100.

Adding to 212304324 its reverse (423403212), we get a palindrome (635707536).

The spelling of 212304324 in words is "two hundred twelve million, three hundred four thousand, three hundred twenty-four".