320230121200 has 240 divisors, whose sum is σ = 845734369536. Its totient is φ = 115557990400.

The previous prime is 320230121147. The next prime is 320230121213. The reversal of 320230121200 is 2121032023.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 568792119 + ... + 568792681.

Almost surely, 2^320230121200 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 320230121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422867184768).

320230121200 is an abundant number, since it is smaller than the sum of its proper divisors (525504248336).

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

320230121200 is a wasteful number, since it uses less digits than its factorization.

320230121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 320230121200 its reverse (2121032023), we get a palindrome (322351153223).

The spelling of 320230121200 in words is "three hundred twenty billion, two hundred thirty million, one hundred twenty-one thousand, two hundred".