12200205 has 16 divisors (see below), whose sum is σ = 20150784. Its totient is φ = 6296640.

The previous prime is 12200179. The next prime is 12200239. The reversal of 12200205 is 50200221.

It is not a de Polignac number, because 12200205 - 2⁸ = 12199949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12654 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (1259424).

Almost surely, 2^12200205 is an apocalyptic number.

12200205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12200205 is a deficient number, since it is larger than the sum of its proper divisors (7950579).

12200205 is a wasteful number, since it uses less digits than its factorization.

12200205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26276.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 12200205 is about 3492.8791848560. The cubic root of 12200205 is about 230.2090412041.

Adding to 12200205 its reverse (50200221), we get a palindrome (62400426).

The spelling of 12200205 in words is "twelve million, two hundred thousand, two hundred five".