323221100220000 has 960 divisors, whose sum is σ = 1222642749081600. Its totient is φ = 82947836160000.

The previous prime is 323221100219923. The next prime is 323221100220013. The reversal of 323221100220000 is 22001122323.

323221100220000 is a `hidden beast` number, since 3 + 232 + 211 + 0 + 0 + 220 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4807586385 + ... + 4807653615.

It is an arithmetic number, because the mean of its divisors is an integer number (1273586196960).

Almost surely, 2^{323221100220000} is an apocalyptic number.

323221100220000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323221100220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611321374540800).

323221100220000 is an abundant number, since it is smaller than the sum of its proper divisors (899421648861600).

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

323221100220000 is a wasteful number, since it uses less digits than its factorization.

323221100220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67606 (or 67577 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 323221100220000 its reverse (22001122323), we get a palindrome (323243101342323).

The spelling of 323221100220000 in words is "three hundred twenty-three trillion, two hundred twenty-one billion, one hundred million, two hundred twenty thousand".