322145020000 has 120 divisors (see below), whose sum is σ = 793301543496. Its totient is φ = 128731776000.

The previous prime is 322145019979. The next prime is 322145020019. The reversal of 322145020000 is 20541223.

It is a self number, because there is not a number n which added to its sum of digits gives 322145020000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21932659 + ... + 21947341.

Almost surely, 2^322145020000 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 322145020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396650771748).

322145020000 is an abundant number, since it is smaller than the sum of its proper divisors (471156523496).

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

322145020000 is a wasteful number, since it uses less digits than its factorization.

322145020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15810 (or 15787 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 322145020000 its reverse (20541223), we get a palindrome (322165561223).

The spelling of 322145020000 in words is "three hundred twenty-two billion, one hundred forty-five million, twenty thousand".