12404334365 has 4 divisors (see below), whose sum is σ = 14885201244. Its totient is φ = 9923467488.

The previous prime is 12404334353. The next prime is 12404334367. The reversal of 12404334365 is 56343340421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56343340421 = 439 ⋅128344739.

It can be written as a sum of positive squares in 2 ways, for example, as 2602938361 + 9801396004 = 51019^2 + 99002^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404334365 - 2¹⁰ = 12404333341 is a prime.

It is a super-2 number, since 2×12404334365² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404334367) 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, 1240433432 + ... + 1240433441.

It is an arithmetic number, because the mean of its divisors is an integer number (3721300311).

Almost surely, 2^12404334365 is an apocalyptic number.

It is an amenable number.

12404334365 is a deficient number, since it is larger than the sum of its proper divisors (2480866879).

12404334365 is an equidigital number, since it uses as much as digits as its factorization.

12404334365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480866878.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 12404334365 its reverse (56343340421), we get a palindrome (68747674786).

The spelling of 12404334365 in words is "twelve billion, four hundred four million, three hundred thirty-four thousand, three hundred sixty-five".