320221303122 has 16 divisors (see below), whose sum is σ = 731934407232. Its totient is φ = 91491800880.

The previous prime is 320221303079. The next prime is 320221303133. The reversal of 320221303122 is 221303122023.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3812158329 + ... + 3812158412.

It is an arithmetic number, because the mean of its divisors is an integer number (45745900452).

Almost surely, 2^320221303122 is an apocalyptic number.

320221303122 is an abundant number, since it is smaller than the sum of its proper divisors (411713104110).

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

320221303122 is a wasteful number, since it uses less digits than its factorization.

320221303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7624316753.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320221303122 its reverse (221303122023), we get a palindrome (541524425145).

The spelling of 320221303122 in words is "three hundred twenty billion, two hundred twenty-one million, three hundred three thousand, one hundred twenty-two".