12103404197 has 2 divisors, whose sum is σ = 12103404198. Its totient is φ = 12103404196.

The previous prime is 12103404191. The next prime is 12103404239. The reversal of 12103404197 is 79140430121.

12103404197 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., 7192057636 + 4911346561 = 84806^2 + 70081^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103404197 - 2¹⁶ = 12103338661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103404191) 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, 6051702098 + 6051702099.

It is an arithmetic number, because the mean of its divisors is an integer number (6051702099).

Almost surely, 2^12103404197 is an apocalyptic number.

It is an amenable number.

12103404197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103404197 is an equidigital number, since it uses as much as digits as its factorization.

12103404197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 12103404197 in words is "twelve billion, one hundred three million, four hundred four thousand, one hundred ninety-seven".