12233220320 has 24 divisors (see below), whose sum is σ = 28900983384. Its totient is φ = 4893288064.

The previous prime is 12233220317. The next prime is 12233220343. The reversal of 12233220320 is 2302233221.

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 = 12233220292 and 12233220301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38228654 + ... + 38228973.

It is an arithmetic number, because the mean of its divisors is an integer number (1204207641).

Almost surely, 2^12233220320 is an apocalyptic number.

12233220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12233220320 is an abundant number, since it is smaller than the sum of its proper divisors (16667763064).

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

12233220320 is an equidigital number, since it uses as much as digits as its factorization.

12233220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76457642 (or 76457634 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12233220320 its reverse (2302233221), we get a palindrome (14535453541).

The spelling of 12233220320 in words is "twelve billion, two hundred thirty-three million, two hundred twenty thousand, three hundred twenty".