320225122000 has 160 divisors (see below), whose sum is σ = 895584178944. Its totient is φ = 108468288000.

The previous prime is 320225121973. The next prime is 320225122033. The reversal of 320225122000 is 221522023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1024210 + ... + 1299790.

Almost surely, 2^320225122000 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 320225122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447792089472).

320225122000 is an abundant number, since it is smaller than the sum of its proper divisors (575359056944).

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

320225122000 is a wasteful number, since it uses less digits than its factorization.

320225122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275694 (or 275678 counting only the distinct ones).

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

Adding to 320225122000 its reverse (221522023), we get a palindrome (320446644023).

It can be divided in two parts, 320225 and 122000, that added together give a square (442225 = 665²).

The spelling of 320225122000 in words is "three hundred twenty billion, two hundred twenty-five million, one hundred twenty-two thousand".