12205454103 has 12 divisors (see below), whose sum is σ = 17634122688. Its totient is φ = 8135112960.

The previous prime is 12205454039. The next prime is 12205454161. The reversal of 12205454103 is 30145450221.

12205454103 is a `hidden beast` number, since 1 + 2 + 205 + 45 + 410 + 3 = 666.

12205454103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12205454103 - 2⁶ = 12205454039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205456103) 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 in 11 ways as a sum of consecutive naturals, for example, 112458 + ... + 192503.

It is an arithmetic number, because the mean of its divisors is an integer number (1469510224).

Almost surely, 2^12205454103 is an apocalyptic number.

12205454103 is a deficient number, since it is larger than the sum of its proper divisors (5428668585).

12205454103 is a wasteful number, since it uses less digits than its factorization.

12205454103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309414 (or 309411 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 12205454103 in words is "twelve billion, two hundred five million, four hundred fifty-four thousand, one hundred three".