12205106 has 8 divisors (see below), whose sum is σ = 19271280. Its totient is φ = 5781348.

The previous prime is 12205097. The next prime is 12205117. The reversal of 12205106 is 60150221.

12205106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12205106² = 297929224942472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160556 + ... + 160631.

It is an arithmetic number, because the mean of its divisors is an integer number (2408910).

Almost surely, 2^12205106 is an apocalyptic number.

12205106 is a deficient number, since it is larger than the sum of its proper divisors (7066174).

12205106 is a wasteful number, since it uses less digits than its factorization.

12205106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321208.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 12205106 is about 3493.5806846272. The cubic root of 12205106 is about 230.2398631853.

Adding to 12205106 its reverse (60150221), we get a palindrome (72355327).

The spelling of 12205106 in words is "twelve million, two hundred five thousand, one hundred six".