12722045044 has 24 divisors (see below), whose sum is σ = 22359123360. Its totient is φ = 6333783456.

The previous prime is 12722045009. The next prime is 12722045087. The reversal of 12722045044 is 44054022721.

It is a junction number, because it is equal to n+sod(n) for n = 12722044997 and 12722045015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909834 + ... + 923710.

It is an arithmetic number, because the mean of its divisors is an integer number (931630140).

Almost surely, 2^12722045044 is an apocalyptic number.

It is an amenable number.

12722045044 is a deficient number, since it is larger than the sum of its proper divisors (9637078316).

12722045044 is a wasteful number, since it uses less digits than its factorization.

12722045044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14847 (or 14845 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 31.

Adding to 12722045044 its reverse (44054022721), we get a palindrome (56776067765).

The spelling of 12722045044 in words is "twelve billion, seven hundred twenty-two million, forty-five thousand, forty-four".