323212120 has 128 divisors (see below), whose sum is σ = 916531200. Its totient is φ = 99648000.

The previous prime is 323212111. The next prime is 323212139. The reversal of 323212120 is 21212323.

It is a junction number, because it is equal to n+sod(n) for n = 323212094 and 323212103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310561 + ... + 311599.

It is an arithmetic number, because the mean of its divisors is an integer number (7160400).

Almost surely, 2^323212120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458265600).

323212120 is an abundant number, since it is smaller than the sum of its proper divisors (593319080).

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

323212120 is a wasteful number, since it uses less digits than its factorization.

323212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 323212120 is about 17978.1011233111. The cubic root of 323212120 is about 686.2713668263.

Adding to 323212120 its reverse (21212323), we get a palindrome (344424443).

The spelling of 323212120 in words is "three hundred twenty-three million, two hundred twelve thousand, one hundred twenty".