12002202 has 32 divisors (see below), whose sum is σ = 27244800. Its totient is φ = 3914784.

The previous prime is 12002189. The next prime is 12002209. The reversal of 12002202 is 20220021.

It is a Harshad number since it is a multiple of its sum of digits (9).

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174 + ... + 4902.

It is an arithmetic number, because the mean of its divisors is an integer number (851400).

Almost surely, 2^12002202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13622400).

12002202 is an abundant number, since it is smaller than the sum of its proper divisors (15242598).

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

12002202 is a wasteful number, since it uses less digits than its factorization.

12002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787 (or 4781 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 12002202 is about 3464.4194318818. The cubic root of 12002202 is about 228.9568513251.

Adding to 12002202 its reverse (20220021), we get a palindrome (32222223).

The spelling of 12002202 in words is "twelve million, two thousand, two hundred two".