12243311232 has 32 divisors (see below), whose sum is σ = 32521296480. Its totient is φ = 4081103616.

The previous prime is 12243311177. The next prime is 12243311251. The reversal of 12243311232 is 23211334221.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15941428 + ... + 15942195.

It is an arithmetic number, because the mean of its divisors is an integer number (1016290515).

Almost surely, 2^12243311232 is an apocalyptic number.

12243311232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12243311232 is an abundant number, since it is smaller than the sum of its proper divisors (20277985248).

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

12243311232 is an equidigital number, since it uses as much as digits as its factorization.

12243311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31883640 (or 31883628 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 12243311232 its reverse (23211334221), we get a palindrome (35454645453).

The spelling of 12243311232 in words is "twelve billion, two hundred forty-three million, three hundred eleven thousand, two hundred thirty-two".