12122102205 has 48 divisors (see below), whose sum is σ = 21704656896. Its totient is φ = 6252180480.

The previous prime is 12122102203. The next prime is 12122102221. The reversal of 12122102205 is 50220122121.

12122102205 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 12122102205 - 2¹ = 12122102203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122102203) 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 47 ways as a sum of consecutive naturals, for example, 3168924 + ... + 3172746.

It is an arithmetic number, because the mean of its divisors is an integer number (452180352).

Almost surely, 2^12122102205 is an apocalyptic number.

12122102205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12122102205 is a deficient number, since it is larger than the sum of its proper divisors (9582554691).

12122102205 is a wasteful number, since it uses less digits than its factorization.

12122102205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6135 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 12122102205 its reverse (50220122121), we get a palindrome (62342224326).

The spelling of 12122102205 in words is "twelve billion, one hundred twenty-two million, one hundred two thousand, two hundred five".