12404435005 has 4 divisors (see below), whose sum is σ = 14885322012. Its totient is φ = 9923548000.

The previous prime is 12404434967. The next prime is 12404435009. The reversal of 12404435005 is 50053440421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2061341604 + 10343093401 = 45402^2 + 101701^2 .

It is not a de Polignac number, because 12404435005 - 2²⁷ = 12270217277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404435009) 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, 1240443496 + ... + 1240443505.

It is an arithmetic number, because the mean of its divisors is an integer number (3721330503).

Almost surely, 2^12404435005 is an apocalyptic number.

It is an amenable number.

12404435005 is a deficient number, since it is larger than the sum of its proper divisors (2480887007).

12404435005 is an equidigital number, since it uses as much as digits as its factorization.

12404435005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480887006.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 12404435005 its reverse (50053440421), we get a palindrome (62457875426).

The spelling of 12404435005 in words is "twelve billion, four hundred four million, four hundred thirty-five thousand, five".