12404444213 has 16 divisors (see below), whose sum is σ = 15416112384. Its totient is φ = 9736485120.

The previous prime is 12404444207. The next prime is 12404444219. The reversal of 12404444213 is 31244440421.

It is an interprime number because it is at equal distance from previous prime (12404444207) and next prime (12404444219).

It is a cyclic number.

It is not a de Polignac number, because 12404444213 - 2⁶ = 12404444149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12404444219) 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, 1404233 + ... + 1413038.

It is an arithmetic number, because the mean of its divisors is an integer number (963507024).

Almost surely, 2^12404444213 is an apocalyptic number.

It is an amenable number.

12404444213 is a deficient number, since it is larger than the sum of its proper divisors (3011668171).

12404444213 is a wasteful number, since it uses less digits than its factorization.

12404444213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817332.

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

Adding to 12404444213 its reverse (31244440421), we get a palindrome (43648884634).

The spelling of 12404444213 in words is "twelve billion, four hundred four million, four hundred forty-four thousand, two hundred thirteen".