12200066 has 8 divisors (see below), whose sum is σ = 18320124. Its totient is φ = 6093360.

The previous prime is 12200063. The next prime is 12200117. The reversal of 12200066 is 66000221.

It can be written as a sum of positive squares in 2 ways, for example, as 11526025 + 674041 = 3395^2 + 821^2 .

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

It is a super-2 number, since 2×12200066² = 297683220808712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12200063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605 + ... + 4976.

Almost surely, 2^12200066 is an apocalyptic number.

12200066 is a deficient number, since it is larger than the sum of its proper divisors (6120058).

12200066 is a wasteful number, since it uses less digits than its factorization.

12200066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6676.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12200066 is about 3492.8592871743. The cubic root of 12200066 is about 230.2081669243.

Adding to 12200066 its reverse (66000221), we get a palindrome (78200287).

The spelling of 12200066 in words is "twelve million, two hundred thousand, sixty-six".