12322561045044 has 48 divisors (see below), whose sum is σ = 30533779644480. Its totient is φ = 3856898465280.

The previous prime is 12322561045033. The next prime is 12322561045051. The reversal of 12322561045044 is 44054016522321.

It is a junction number, because it is equal to n+sod(n) for n = 12322561044993 and 12322561045011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239117247 + ... + 239168774.

It is an arithmetic number, because the mean of its divisors is an integer number (636120409260).

Almost surely, 2^{12322561045044} is an apocalyptic number.

It is an amenable number.

12322561045044 is an abundant number, since it is smaller than the sum of its proper divisors (18211218599436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12322561045044 is a wasteful number, since it uses less digits than its factorization.

12322561045044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478286160 (or 478286158 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 12322561045044 its reverse (44054016522321), we get a palindrome (56376577567365).

The spelling of 12322561045044 in words is "twelve trillion, three hundred twenty-two billion, five hundred sixty-one million, forty-five thousand, forty-four".