12320000224 has 48 divisors (see below), whose sum is σ = 28285740000. Its totient is φ = 5279995392.

The previous prime is 12320000221. The next prime is 12320000227. The reversal of 12320000224 is 42200002321.

It is an interprime number because it is at equal distance from previous prime (12320000221) and next prime (12320000227).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12320000198 and 12320000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320000221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550249 + ... + 572200.

It is an arithmetic number, because the mean of its divisors is an integer number (589286250).

Almost surely, 2^12320000224 is an apocalyptic number.

12320000224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12320000224 is an abundant number, since it is smaller than the sum of its proper divisors (15965739776).

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

12320000224 is an equidigital number, since it uses as much as digits as its factorization.

12320000224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122480 (or 1122458 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12320000224 its reverse (42200002321), we get a palindrome (54520002545).

The spelling of 12320000224 in words is "twelve billion, three hundred twenty million, two hundred twenty-four", and thus it is an aban number.