12103321403 has 2 divisors, whose sum is σ = 12103321404. Its totient is φ = 12103321402.

The previous prime is 12103321397. The next prime is 12103321409. The reversal of 12103321403 is 30412330121.

12103321403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12103321397) and next prime (12103321409).

It is a cyclic number.

It is not a de Polignac number, because 12103321403 - 2⁴ = 12103321387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12103321409) 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, 6051660701 + 6051660702.

It is an arithmetic number, because the mean of its divisors is an integer number (6051660702).

Almost surely, 2^12103321403 is an apocalyptic number.

12103321403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103321403 is an equidigital number, since it uses as much as digits as its factorization.

12103321403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12103321403 its reverse (30412330121), we get a palindrome (42515651524).

The spelling of 12103321403 in words is "twelve billion, one hundred three million, three hundred twenty-one thousand, four hundred three".