323321021210000 has 400 divisors, whose sum is σ = 870698507139648. Its totient is φ = 115278316800000.

The previous prime is 323321021209993. The next prime is 323321021210023. The reversal of 323321021210000 is 12120123323.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2126993999 + ... + 2127146001.

Almost surely, 2^{323321021210000} 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 323321021210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435349253569824).

323321021210000 is an abundant number, since it is smaller than the sum of its proper divisors (547377485929648).

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

323321021210000 is a wasteful number, since it uses less digits than its factorization.

323321021210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152420 (or 152399 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 323321021210000 its reverse (12120123323), we get a palindrome (323333141333323).

The spelling of 323321021210000 in words is "three hundred twenty-three trillion, three hundred twenty-one billion, twenty-one million, two hundred ten thousand".