321232013200 has 120 divisors (see below), whose sum is σ = 883091960640. Its totient is φ = 110001753600.

The previous prime is 321232013171. The next prime is 321232013213. The reversal of 321232013200 is 2310232123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2228931 + ... + 2368669.

It is an arithmetic number, because the mean of its divisors is an integer number (7359099672).

Almost surely, 2^321232013200 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 321232013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441545980320).

321232013200 is an abundant number, since it is smaller than the sum of its proper divisors (561859947440).

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

321232013200 is a wasteful number, since it uses less digits than its factorization.

321232013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140585 (or 140574 counting only the distinct ones).

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

Adding to 321232013200 its reverse (2310232123), we get a palindrome (323542245323).

The spelling of 321232013200 in words is "three hundred twenty-one billion, two hundred thirty-two million, thirteen thousand, two hundred".