12400052044 has 6 divisors (see below), whose sum is σ = 21700091084. Its totient is φ = 6200026020.

The previous prime is 12400052039. The next prime is 12400052089. The reversal of 12400052044 is 44025000421.

It is a happy number.

12400052044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12400052044² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550006502 + ... + 1550006509.

Almost surely, 2^12400052044 is an apocalyptic number.

It is an amenable number.

12400052044 is a deficient number, since it is larger than the sum of its proper divisors (9300039040).

12400052044 is a wasteful number, since it uses less digits than its factorization.

12400052044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100013015 (or 3100013013 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 12400052044 its reverse (44025000421), we get a palindrome (56425052465).

The spelling of 12400052044 in words is "twelve billion, four hundred million, fifty-two thousand, forty-four".