12205456103 has 2 divisors, whose sum is σ = 12205456104. Its totient is φ = 12205456102.

The previous prime is 12205456099. The next prime is 12205456111. The reversal of 12205456103 is 30165450221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12205456103 - 2² = 12205456099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12205456903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102728051 + 6102728052.

It is an arithmetic number, because the mean of its divisors is an integer number (6102728052).

Almost surely, 2^12205456103 is an apocalyptic number.

12205456103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12205456103 is an equidigital number, since it uses as much as digits as its factorization.

12205456103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 12205456103 in words is "twelve billion, two hundred five million, four hundred fifty-six thousand, one hundred three".