322123200000 has 480 divisors, whose sum is σ = 1225987031808. Its totient is φ = 73620480000.

The previous prime is 322123199969. The next prime is 322123200083. The reversal of 322123200000 is 2321223.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33595207 + ... + 33604793.

Almost surely, 2^322123200000 is an apocalyptic number.

322123200000 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 322123200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612993515904).

322123200000 is an abundant number, since it is smaller than the sum of its proper divisors (903863831808).

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

322123200000 is an frugal number, since it uses more digits than its factorization.

322123200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9640 (or 9604 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 322123200000 its reverse (2321223), we get a palindrome (322125521223).

The spelling of 322123200000 in words is "three hundred twenty-two billion, one hundred twenty-three million, two hundred thousand".