12243034320 has 320 divisors, whose sum is σ = 43504072704. Its totient is φ = 2819266560.

The previous prime is 12243034319. The next prime is 12243034357. The reversal of 12243034320 is 2343034221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9896742 + ... + 9897978.

Almost surely, 2^12243034320 is an apocalyptic number.

12243034320 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 12243034320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21752036352).

12243034320 is an abundant number, since it is smaller than the sum of its proper divisors (31261038384).

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

12243034320 is a wasteful number, since it uses less digits than its factorization.

12243034320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12243034320 its reverse (2343034221), we get a palindrome (14586068541).

Subtracting from 12243034320 its reverse (2343034221), we obtain a palindrome (9900000099).

The spelling of 12243034320 in words is "twelve billion, two hundred forty-three million, thirty-four thousand, three hundred twenty".