12404421244 has 12 divisors (see below), whose sum is σ = 22850249800. Its totient is φ = 5875778448.

The previous prime is 12404421241. The next prime is 12404421247. The reversal of 12404421244 is 44212440421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12404421241) and next prime (12404421247).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404421241) by changing a digit.

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, 81607959 + ... + 81608110.

Almost surely, 2^12404421244 is an apocalyptic number.

It is an amenable number.

12404421244 is a deficient number, since it is larger than the sum of its proper divisors (10445828556).

12404421244 is a wasteful number, since it uses less digits than its factorization.

12404421244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163216092 (or 163216090 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 12404421244 its reverse (44212440421), we get a palindrome (56616861665).

The spelling of 12404421244 in words is "twelve billion, four hundred four million, four hundred twenty-one thousand, two hundred forty-four".