12400340003 has 2 divisors, whose sum is σ = 12400340004. Its totient is φ = 12400340002.

The previous prime is 12400339993. The next prime is 12400340033. The reversal of 12400340003 is 30004300421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12400340003 - 2²⁰ = 12399291427 is a prime.

It is not a weakly prime, because it can be changed into another prime (12400340033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200170001 + 6200170002.

It is an arithmetic number, because the mean of its divisors is an integer number (6200170002).

Almost surely, 2^12400340003 is an apocalyptic number.

12400340003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400340003 is an equidigital number, since it uses as much as digits as its factorization.

12400340003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12400340003 its reverse (30004300421), we get a palindrome (42404640424).

The spelling of 12400340003 in words is "twelve billion, four hundred million, three hundred forty thousand, three".