320303230212 has 96 divisors (see below), whose sum is σ = 899328890880. Its totient is φ = 86676238080.

The previous prime is 320303230207. The next prime is 320303230213. The reversal of 320303230212 is 212032303023.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (320303230213) 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, 6706537 + ... + 6754127.

It is an arithmetic number, because the mean of its divisors is an integer number (9368009280).

Almost surely, 2^320303230212 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 320303230212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449664445440).

320303230212 is an abundant number, since it is smaller than the sum of its proper divisors (579025660668).

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

320303230212 is a wasteful number, since it uses less digits than its factorization.

320303230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51841 (or 51839 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320303230212 its reverse (212032303023), we get a palindrome (532335533235).

The spelling of 320303230212 in words is "three hundred twenty billion, three hundred three million, two hundred thirty thousand, two hundred twelve".