12441322320 has 160 divisors (see below), whose sum is σ = 44111843328. Its totient is φ = 2841537024.

The previous prime is 12441322319. The next prime is 12441322321. The reversal of 12441322320 is 2322314421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12441322319) and next prime (12441322321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441322321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3336297 + ... + 3340023.

Almost surely, 2^12441322320 is an apocalyptic number.

12441322320 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 12441322320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22055921664).

12441322320 is an abundant number, since it is smaller than the sum of its proper divisors (31670521008).

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

12441322320 is a wasteful number, since it uses less digits than its factorization.

12441322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5737 (or 5731 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12441322320 its reverse (2322314421), we get a palindrome (14763636741).

The spelling of 12441322320 in words is "twelve billion, four hundred forty-one million, three hundred twenty-two thousand, three hundred twenty".