32320322112 has 112 divisors (see below), whose sum is σ = 92335380480. Its totient is φ = 9918455808.

The previous prime is 32320322101. The next prime is 32320322113. The reversal of 32320322112 is 21122302323.

It is a happy number.

It is a super-2 number, since 2×32320322112² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32320322113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939064 + ... + 972872.

It is an arithmetic number, because the mean of its divisors is an integer number (824423040).

Almost surely, 2^32320322112 is an apocalyptic number.

32320322112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32320322112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46167690240).

32320322112 is an abundant number, since it is smaller than the sum of its proper divisors (60015058368).

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

32320322112 is a wasteful number, since it uses less digits than its factorization.

32320322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34220 (or 34210 counting only the distinct ones).

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

Adding to 32320322112 its reverse (21122302323), we get a palindrome (53442624435).

The spelling of 32320322112 in words is "thirty-two billion, three hundred twenty million, three hundred twenty-two thousand, one hundred twelve".