12243321152 has 28 divisors (see below), whose sum is σ = 25133114580. Its totient is φ = 5910567936.

The previous prime is 12243321151. The next prime is 12243321161. The reversal of 12243321152 is 25112334221.

It can be written as a sum of positive squares in 2 ways, for example, as 4725737536 + 7517583616 = 68744^2 + 86704^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243321151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3296453 + ... + 3300164.

It is an arithmetic number, because the mean of its divisors is an integer number (897611235).

Almost surely, 2^12243321152 is an apocalyptic number.

It is an amenable number.

12243321152 is an abundant number, since it is smaller than the sum of its proper divisors (12889793428).

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

12243321152 is an equidigital number, since it uses as much as digits as its factorization.

12243321152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596658 (or 6596648 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

Adding to 12243321152 its reverse (25112334221), we get a palindrome (37355655373).

The spelling of 12243321152 in words is "twelve billion, two hundred forty-three million, three hundred twenty-one thousand, one hundred fifty-two".