12244043231 has 8 divisors (see below), whose sum is σ = 14170321920. Its totient is φ = 10362046968.

The previous prime is 12244043183. The next prime is 12244043257. The reversal of 12244043231 is 13234044221.

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

It is a de Polignac number, because none of the positive numbers 2^k-12244043231 is a prime.

It is a super-2 number, since 2×12244043231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12244043231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244043291) 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, 11070011 + ... + 11071116.

It is an arithmetic number, because the mean of its divisors is an integer number (1771290240).

Almost surely, 2^12244043231 is an apocalyptic number.

12244043231 is a deficient number, since it is larger than the sum of its proper divisors (1926278689).

12244043231 is an equidigital number, since it uses as much as digits as its factorization.

12244043231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22141213.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12244043231 its reverse (13234044221), we get a palindrome (25478087452).

The spelling of 12244043231 in words is "twelve billion, two hundred forty-four million, forty-three thousand, two hundred thirty-one".