12002200 has 48 divisors (see below), whose sum is σ = 31895280. Its totient is φ = 4114560.

The previous prime is 12002189. The next prime is 12002209. The reversal of 12002200 is 220021.

It is a happy number.

12002200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (7).

12002200 is a modest number, since divided by 2200 gives 1200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2887 + ... + 5686.

It is an arithmetic number, because the mean of its divisors is an integer number (664485).

Almost surely, 2^12002200 is an apocalyptic number.

12002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002200 is an abundant number, since it is smaller than the sum of its proper divisors (19893080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12002200 is a wasteful number, since it uses less digits than its factorization.

12002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8596 (or 8587 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 12002200 is about 3464.4191432331. The cubic root of 12002200 is about 228.9568386076.

Adding to 12002200 its reverse (220021), we get a palindrome (12222221).

The spelling of 12002200 in words is "twelve million, two thousand, two hundred".