12404203444 has 6 divisors (see below), whose sum is σ = 21707356034. Its totient is φ = 6202101720.

The previous prime is 12404203397. The next prime is 12404203457. The reversal of 12404203444 is 44430240421.

It can be written as a sum of positive squares in only one way, i.e., 11532182544 + 872020900 = 107388^2 + 29530^2 .

It is a super-2 number, since 2×12404203444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1550525427 + ... + 1550525434.

Almost surely, 2^12404203444 is an apocalyptic number.

It is an amenable number.

12404203444 is a deficient number, since it is larger than the sum of its proper divisors (9303152590).

12404203444 is a wasteful number, since it uses less digits than its factorization.

12404203444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101050865 (or 3101050863 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12404203444 its reverse (44430240421), we get a palindrome (56834443865).

The spelling of 12404203444 in words is "twelve billion, four hundred four million, two hundred three thousand, four hundred forty-four".