12166210 has 32 divisors (see below), whose sum is σ = 25545600. Its totient is φ = 4170096.

The previous prime is 12166207. The next prime is 12166243. The reversal of 12166210 is 1266121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (798300).

Almost surely, 2^12166210 is an apocalyptic number.

12166210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12166210 is an abundant number, since it is smaller than the sum of its proper divisors (13379390).

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

12166210 is an equidigital number, since it uses as much as digits as its factorization.

12166210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575 (or 3561 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12166210 is about 3488.0094609963. The cubic root of 12166210 is about 229.9950219464.

The spelling of 12166210 in words is "twelve million, one hundred sixty-six thousand, two hundred ten".