12103393391 has 2 divisors, whose sum is σ = 12103393392. Its totient is φ = 12103393390.

The previous prime is 12103393301. The next prime is 12103393403. The reversal of 12103393391 is 19339330121.

12103393391 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 12103393391 - 2¹⁴ = 12103377007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103393301) 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, 6051696695 + 6051696696.

It is an arithmetic number, because the mean of its divisors is an integer number (6051696696).

Almost surely, 2^12103393391 is an apocalyptic number.

12103393391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103393391 is an equidigital number, since it uses as much as digits as its factorization.

12103393391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 35.

The spelling of 12103393391 in words is "twelve billion, one hundred three million, three hundred ninety-three thousand, three hundred ninety-one".