12224323320 has 128 divisors (see below), whose sum is σ = 40144688640. Its totient is φ = 2953264640.

The previous prime is 12224323301. The next prime is 12224323351. The reversal of 12224323320 is 2332342221.

12224323320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12224323320³ (a number of 31 digits) contains 333 as substring.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370957 + ... + 402563.

It is an arithmetic number, because the mean of its divisors is an integer number (313630380).

Almost surely, 2^12224323320 is an apocalyptic number.

12224323320 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 12224323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20072344320).

12224323320 is an abundant number, since it is smaller than the sum of its proper divisors (27920365320).

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

12224323320 is a wasteful number, since it uses less digits than its factorization.

12224323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31925 (or 31921 counting only the distinct ones).

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

Adding to 12224323320 its reverse (2332342221), we get a palindrome (14556665541).

The spelling of 12224323320 in words is "twelve billion, two hundred twenty-four million, three hundred twenty-three thousand, three hundred twenty".