12404243441 has 4 divisors (see below), whose sum is σ = 12405414384. Its totient is φ = 12403072500.

The previous prime is 12404243429. The next prime is 12404243471. The reversal of 12404243441 is 14434240421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12404243441 - 2¹⁴ = 12404227057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12404243471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569435 + ... + 590816.

It is an arithmetic number, because the mean of its divisors is an integer number (3101353596).

Almost surely, 2^12404243441 is an apocalyptic number.

It is an amenable number.

12404243441 is a deficient number, since it is larger than the sum of its proper divisors (1170943).

12404243441 is a wasteful number, since it uses less digits than its factorization.

12404243441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170942.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 12404243441 its reverse (14434240421), we get a palindrome (26838483862).

The spelling of 12404243441 in words is "twelve billion, four hundred four million, two hundred forty-three thousand, four hundred forty-one".