320122103312 has 80 divisors (see below), whose sum is σ = 681078176064. Its totient is φ = 144553920000.

The previous prime is 320122103309. The next prime is 320122103387. The reversal of 320122103312 is 213301221023.

It is a super-2 number, since 2×320122103312² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24298487 + ... + 24311657.

Almost surely, 2^320122103312 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 320122103312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340539088032).

320122103312 is an abundant number, since it is smaller than the sum of its proper divisors (360956072752).

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

320122103312 is a wasteful number, since it uses less digits than its factorization.

320122103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14088 (or 14082 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 320122103312 its reverse (213301221023), we get a palindrome (533423324335).

The spelling of 320122103312 in words is "three hundred twenty billion, one hundred twenty-two million, one hundred three thousand, three hundred twelve".