12321011044 has 12 divisors (see below), whose sum is σ = 21599142124. Its totient is φ = 6149827584.

The previous prime is 12321011011. The next prime is 12321011051. The reversal of 12321011044 is 44011012321.

It can be written as a sum of positive squares in 2 ways, for example, as 11774854144 + 546156900 = 108512^2 + 23370^2 .

It is an unprimeable number.

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, 2666889 + ... + 2671504.

Almost surely, 2^12321011044 is an apocalyptic number.

It is an amenable number.

12321011044 is a deficient number, since it is larger than the sum of its proper divisors (9278131080).

12321011044 is a wasteful number, since it uses less digits than its factorization.

12321011044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338974 (or 5338972 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12321011044 its reverse (44011012321), we get a palindrome (56332023365).

The spelling of 12321011044 in words is "twelve billion, three hundred twenty-one million, eleven thousand, forty-four".