320022131112 has 96 divisors (see below), whose sum is σ = 916507388160. Its totient is φ = 100715040000.

The previous prime is 320022131047. The next prime is 320022131113. The reversal of 320022131112 is 211131220023.

320022131112 is a `hidden beast` number, since 320 + 0 + 2 + 21 + 311 + 12 = 666.

320022131112 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×320022131112² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (320022131113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1657014 + ... + 1840037.

It is an arithmetic number, because the mean of its divisors is an integer number (9546951960).

Almost surely, 2^320022131112 is an apocalyptic number.

It is an amenable number.

320022131112 is an abundant number, since it is smaller than the sum of its proper divisors (596485257048).

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

320022131112 is a wasteful number, since it uses less digits than its factorization.

320022131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497135 (or 3497128 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 320022131112 its reverse (211131220023), we get a palindrome (531153351135).

The spelling of 320022131112 in words is "three hundred twenty billion, twenty-two million, one hundred thirty-one thousand, one hundred twelve".