12066210 has 48 divisors (see below), whose sum is σ = 33788664. Its totient is φ = 2969856.

The previous prime is 12066203. The next prime is 12066221. The reversal of 12066210 is 1266021.

It is a happy number.

12066210 is a `hidden beast` number, since 1 + 2 + 0 + 662 + 1 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7017201 + 5049009 = 2649^2 + 2247^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 3987 + ... + 6326.

Almost surely, 2^12066210 is an apocalyptic number.

12066210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12066210 is an abundant number, since it is smaller than the sum of its proper divisors (21722454).

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

12066210 is a wasteful number, since it uses less digits than its factorization.

12066210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10339 (or 10336 counting only the distinct ones).

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

The square root of 12066210 is about 3473.6450595880. The cubic root of 12066210 is about 229.3631405243.

The spelling of 12066210 in words is "twelve million, sixty-six thousand, two hundred ten".