12200229 has 12 divisors (see below), whose sum is σ = 17955756. Its totient is φ = 7979712.

The previous prime is 12200179. The next prime is 12200239. The reversal of 12200229 is 92200221.

It can be written as a sum of positive squares in 2 ways, for example, as 3992004 + 8208225 = 1998^2 + 2865^2 .

It is not a de Polignac number, because 12200229 - 2¹⁶ = 12134693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200239) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12312 + ... + 13265.

It is an arithmetic number, because the mean of its divisors is an integer number (1496313).

Almost surely, 2^12200229 is an apocalyptic number.

It is an amenable number.

12200229 is a deficient number, since it is larger than the sum of its proper divisors (5755527).

12200229 is a wasteful number, since it uses less digits than its factorization.

12200229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25636 (or 25633 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12200229 is about 3492.8826204154. The cubic root of 12200229 is about 230.2091921582.

The spelling of 12200229 in words is "twelve million, two hundred thousand, two hundred twenty-nine".