12424402273 has 2 divisors, whose sum is σ = 12424402274. Its totient is φ = 12424402272.

The previous prime is 12424402189. The next prime is 12424402283. The reversal of 12424402273 is 37220442421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8330577984 + 4093824289 = 91272^2 + 63983^2 .

It is a cyclic number.

It is not a de Polignac number, because 12424402273 - 2¹⁷ = 12424271201 is a prime.

It is not a weakly prime, because it can be changed into another prime (12424402283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212201136 + 6212201137.

It is an arithmetic number, because the mean of its divisors is an integer number (6212201137).

Almost surely, 2^12424402273 is an apocalyptic number.

It is an amenable number.

12424402273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12424402273 is an equidigital number, since it uses as much as digits as its factorization.

12424402273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 12424402273 its reverse (37220442421), we get a palindrome (49644844694).

The spelling of 12424402273 in words is "twelve billion, four hundred twenty-four million, four hundred two thousand, two hundred seventy-three".