323211220000000 has 576 divisors, whose sum is σ = 828919721710080. Its totient is φ = 125709696000000.

The previous prime is 323211219999989. The next prime is 323211220000049. The reversal of 323211220000000 is 22112323.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226179999286 + ... + 226180000714.

It is an arithmetic number, because the mean of its divisors is an integer number (1439096739080).

Almost surely, 2^{323211220000000} 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 323211220000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414459860855040).

323211220000000 is an abundant number, since it is smaller than the sum of its proper divisors (505708501710080).

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

323211220000000 is an frugal number, since it uses more digits than its factorization.

323211220000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786 (or 1742 counting only the distinct ones).

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

Adding to 323211220000000 its reverse (22112323), we get a palindrome (323211242112323).

The spelling of 323211220000000 in words is "three hundred twenty-three trillion, two hundred eleven billion, two hundred twenty million", and thus it is an aban number.