12166130 has 16 divisors (see below), whose sum is σ = 21938904. Its totient is φ = 4857600.

The previous prime is 12166073. The next prime is 12166139. The reversal of 12166130 is 3166121.

It can be written as a sum of positive squares in 4 ways, for example, as 1545049 + 10621081 = 1243^2 + 3259^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12166139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9530 + ... + 10730.

Almost surely, 2^12166130 is an apocalyptic number.

12166130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12166130 is a deficient number, since it is larger than the sum of its proper divisors (9772774).

12166130 is a wasteful number, since it uses less digits than its factorization.

12166130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12166130 is about 3487.9979931187. The cubic root of 12166130 is about 229.9945178277.

Subtracting from 12166130 its reverse (3166121), we obtain a palindrome (9000009).

The spelling of 12166130 in words is "twelve million, one hundred sixty-six thousand, one hundred thirty".