12404231305 has 16 divisors (see below), whose sum is σ = 16096008960. Its totient is φ = 9140937472.

The previous prime is 12404231303. The next prime is 12404231311. The reversal of 12404231305 is 50313240421.

It is a cyclic number.

It is not a de Polignac number, because 12404231305 - 2¹ = 12404231303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12404231305.

It is not an unprimeable number, because it can be changed into a prime (12404231303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548475 + ... + 1556464.

It is an arithmetic number, because the mean of its divisors is an integer number (1006000560).

Almost surely, 2^12404231305 is an apocalyptic number.

It is an amenable number.

12404231305 is a deficient number, since it is larger than the sum of its proper divisors (3691777655).

12404231305 is a wasteful number, since it uses less digits than its factorization.

12404231305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105008.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12404231305 its reverse (50313240421), we get a palindrome (62717471726).

The spelling of 12404231305 in words is "twelve billion, four hundred four million, two hundred thirty-one thousand, three hundred five".