12331231243 has 8 divisors (see below), whose sum is σ = 12829245440. Its totient is φ = 11839481640.

The previous prime is 12331231207. The next prime is 12331231267. The reversal of 12331231243 is 34213213321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12331231243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331231643) 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, 1562133 + ... + 1570006.

It is an arithmetic number, because the mean of its divisors is an integer number (1603655680).

Almost surely, 2^12331231243 is an apocalyptic number.

12331231243 is a deficient number, since it is larger than the sum of its proper divisors (498014197).

12331231243 is a wasteful number, since it uses less digits than its factorization.

12331231243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132297.

The product of its digits is 2592, while the sum is 25.

Adding to 12331231243 its reverse (34213213321), we get a palindrome (46544444564).

The spelling of 12331231243 in words is "twelve billion, three hundred thirty-one million, two hundred thirty-one thousand, two hundred forty-three".