12403002427 has 2 divisors, whose sum is σ = 12403002428. Its totient is φ = 12403002426.

The previous prime is 12403002407. The next prime is 12403002433. The reversal of 12403002427 is 72420030421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12403002427 - 2²⁷ = 12268784699 is a prime.

It is not a weakly prime, because it can be changed into another prime (12403002407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201501213 + 6201501214.

It is an arithmetic number, because the mean of its divisors is an integer number (6201501214).

Almost surely, 2^12403002427 is an apocalyptic number.

12403002427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12403002427 is an equidigital number, since it uses as much as digits as its factorization.

12403002427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 12403002427 its reverse (72420030421), we get a palindrome (84823032848).

The spelling of 12403002427 in words is "twelve billion, four hundred three million, two thousand, four hundred twenty-seven".