12321230044 has 12 divisors (see below), whose sum is σ = 21567693168. Its totient is φ = 6159032000.

The previous prime is 12321230041. The next prime is 12321230083. The reversal of 12321230044 is 44003212321.

It is a junction number, because it is equal to n+sod(n) for n = 12321229997 and 12321230024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321230041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378157 + ... + 409444.

It is an arithmetic number, because the mean of its divisors is an integer number (1797307764).

Almost surely, 2^12321230044 is an apocalyptic number.

It is an amenable number.

12321230044 is a deficient number, since it is larger than the sum of its proper divisors (9246463124).

12321230044 is a wasteful number, since it uses less digits than its factorization.

12321230044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791516 (or 791514 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12321230044 its reverse (44003212321), we get a palindrome (56324442365).

The spelling of 12321230044 in words is "twelve billion, three hundred twenty-one million, two hundred thirty thousand, forty-four".