12424131227 has 2 divisors, whose sum is σ = 12424131228. Its totient is φ = 12424131226.

The previous prime is 12424131163. The next prime is 12424131253. The reversal of 12424131227 is 72213142421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12424131227 - 2⁶ = 12424131163 is a prime.

It is a super-3 number, since 3×12424131227³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12424131227.

It is not a weakly prime, because it can be changed into another prime (12424131257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212065613 + 6212065614.

It is an arithmetic number, because the mean of its divisors is an integer number (6212065614).

Almost surely, 2^12424131227 is an apocalyptic number.

12424131227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12424131227 is an equidigital number, since it uses as much as digits as its factorization.

12424131227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

Adding to 12424131227 its reverse (72213142421), we get a palindrome (84637273648).

The spelling of 12424131227 in words is "twelve billion, four hundred twenty-four million, one hundred thirty-one thousand, two hundred twenty-seven".