12231143221244 has 24 divisors (see below), whose sum is σ = 22049414641968. Its totient is φ = 5932309173120.

The previous prime is 12231143221189. The next prime is 12231143221249. The reversal of 12231143221244 is 44212234113221.

It is a self number, because there is not a number n which added to its sum of digits gives 12231143221244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231143221249) 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, 124789169 + ... + 124887144.

It is an arithmetic number, because the mean of its divisors is an integer number (918725610082).

Almost surely, 2^{12231143221244} is an apocalyptic number.

It is an amenable number.

12231143221244 is a deficient number, since it is larger than the sum of its proper divisors (9818271420724).

12231143221244 is a wasteful number, since it uses less digits than its factorization.

12231143221244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249676685 (or 249676683 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 12231143221244 its reverse (44212234113221), we get a palindrome (56443377334465).

The spelling of 12231143221244 in words is "twelve trillion, two hundred thirty-one billion, one hundred forty-three million, two hundred twenty-one thousand, two hundred forty-four".