322401220120 has 128 divisors (see below), whose sum is σ = 833288601600. Its totient is φ = 109970896896.

The previous prime is 322401220087. The next prime is 322401220121. The reversal of 322401220120 is 21022104223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322401220121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111286512 + ... + 111289408.

It is an arithmetic number, because the mean of its divisors is an integer number (6510067200).

Almost surely, 2^322401220120 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 322401220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416644300800).

322401220120 is an abundant number, since it is smaller than the sum of its proper divisors (510887381480).

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

322401220120 is a wasteful number, since it uses less digits than its factorization.

322401220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817 (or 4813 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 322401220120 its reverse (21022104223), we get a palindrome (343423324343).

The spelling of 322401220120 in words is "three hundred twenty-two billion, four hundred one million, two hundred twenty thousand, one hundred twenty".