12130165 has 4 divisors (see below), whose sum is σ = 14556204. Its totient is φ = 9704128.

The previous prime is 12130159. The next prime is 12130169. The reversal of 12130165 is 56103121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56103121 = 947 ⋅59243.

It can be written as a sum of positive squares in 2 ways, for example, as 2283121 + 9847044 = 1511^2 + 3138^2 .

It is a cyclic number.

It is not a de Polignac number, because 12130165 - 2¹¹ = 12128117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130169) 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, 1213012 + ... + 1213021.

It is an arithmetic number, because the mean of its divisors is an integer number (3639051).

Almost surely, 2^12130165 is an apocalyptic number.

It is an amenable number.

12130165 is a deficient number, since it is larger than the sum of its proper divisors (2426039).

12130165 is an equidigital number, since it uses as much as digits as its factorization.

12130165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426038.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12130165 is about 3482.8386411087. The cubic root of 12130165 is about 229.7676607769.

Adding to 12130165 its reverse (56103121), we get a palindrome (68233286).

The spelling of 12130165 in words is "twelve million, one hundred thirty thousand, one hundred sixty-five".