323130212000 has 96 divisors (see below), whose sum is σ = 797022691920. Its totient is φ = 128748748800.

The previous prime is 323130211991. The next prime is 323130212021. The reversal of 323130212000 is 212031323.

It can be written as a sum of positive squares in 8 ways, for example, as 183872870416 + 139257341584 = 428804^2 + 373172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 323130212000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870836 + ... + 1185164.

Almost surely, 2^323130212000 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 323130212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398511345960).

323130212000 is an abundant number, since it is smaller than the sum of its proper divisors (473892479920).

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

323130212000 is a wasteful number, since it uses less digits than its factorization.

323130212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314611 (or 314593 counting only the distinct ones).

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

Adding to 323130212000 its reverse (212031323), we get a palindrome (323342243323).

The spelling of 323130212000 in words is "three hundred twenty-three billion, one hundred thirty million, two hundred twelve thousand".