12103030073 has 2 divisors, whose sum is σ = 12103030074. Its totient is φ = 12103030072.

The previous prime is 12103030063. The next prime is 12103030171. The reversal of 12103030073 is 37003030121.

It is a happy number.

12103030073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7566738169 + 4536291904 = 86987^2 + 67352^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103030073 - 2²² = 12098835769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12103030033) 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, 6051515036 + 6051515037.

It is an arithmetic number, because the mean of its divisors is an integer number (6051515037).

Almost surely, 2^12103030073 is an apocalyptic number.

It is an amenable number.

12103030073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103030073 is an equidigital number, since it uses as much as digits as its factorization.

12103030073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

Adding to 12103030073 its reverse (37003030121), we get a palindrome (49106060194).

The spelling of 12103030073 in words is "twelve billion, one hundred three million, thirty thousand, seventy-three".