12404224213 has 2 divisors, whose sum is σ = 12404224214. Its totient is φ = 12404224212.

The previous prime is 12404224207. The next prime is 12404224229. The reversal of 12404224213 is 31242240421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8900412964 + 3503811249 = 94342^2 + 59193^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404224213 - 2⁵ = 12404224181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404224013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202112106 + 6202112107.

It is an arithmetic number, because the mean of its divisors is an integer number (6202112107).

Almost surely, 2^12404224213 is an apocalyptic number.

It is an amenable number.

12404224213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404224213 is an equidigital number, since it uses as much as digits as its factorization.

12404224213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12404224213 its reverse (31242240421), we get a palindrome (43646464634).

The spelling of 12404224213 in words is "twelve billion, four hundred four million, two hundred twenty-four thousand, two hundred thirteen".