12320441120 has 96 divisors (see below), whose sum is σ = 31522115520. Its totient is φ = 4523535360.

The previous prime is 12320441071. The next prime is 12320441123. The reversal of 12320441120 is 2114402321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12320441092 and 12320441101.

It is not an unprimeable number, because it can be changed into a prime (12320441123) 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, 355775 + ... + 388865.

It is an arithmetic number, because the mean of its divisors is an integer number (328355370).

Almost surely, 2^12320441120 is an apocalyptic number.

12320441120 is a gapful number since it is divisible by the number (10) 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 12320441120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15761057760).

12320441120 is an abundant number, since it is smaller than the sum of its proper divisors (19201674400).

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

12320441120 is a wasteful number, since it uses less digits than its factorization.

12320441120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33298 (or 33290 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12320441120 its reverse (2114402321), we get a palindrome (14434843441).

The spelling of 12320441120 in words is "twelve billion, three hundred twenty million, four hundred forty-one thousand, one hundred twenty".