12420040103 has 2 divisors, whose sum is σ = 12420040104. Its totient is φ = 12420040102.

The previous prime is 12420040033. The next prime is 12420040117. The reversal of 12420040103 is 30104002421.

12420040103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12420040103 - 2¹² = 12420036007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12426040103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210020051 + 6210020052.

It is an arithmetic number, because the mean of its divisors is an integer number (6210020052).

Almost surely, 2^12420040103 is an apocalyptic number.

12420040103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12420040103 is an equidigital number, since it uses as much as digits as its factorization.

12420040103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12420040103 its reverse (30104002421), we get a palindrome (42524042524).

The spelling of 12420040103 in words is "twelve billion, four hundred twenty million, forty thousand, one hundred three".