320034112112 has 80 divisors (see below), whose sum is σ = 730813224960. Its totient is φ = 133847980800.

The previous prime is 320034112081. The next prime is 320034112117. The reversal of 320034112112 is 211211430023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320034112117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 486689 + ... + 936447.

It is an arithmetic number, because the mean of its divisors is an integer number (9135165312).

Almost surely, 2^320034112112 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 320034112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365406612480).

320034112112 is an abundant number, since it is smaller than the sum of its proper divisors (410779112848).

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

320034112112 is a wasteful number, since it uses less digits than its factorization.

320034112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450102 (or 450096 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 320034112112 its reverse (211211430023), we get a palindrome (531245542135).

The spelling of 320034112112 in words is "three hundred twenty billion, thirty-four million, one hundred twelve thousand, one hundred twelve".