12070161 has 16 divisors (see below), whose sum is σ = 18187200. Its totient is φ = 7909344.

The previous prime is 12070141. The next prime is 12070171. The reversal of 12070161 is 16107021.

It is not a de Polignac number, because 12070161 - 2¹⁷ = 11939089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12070141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (1136700).

Almost surely, 2^12070161 is an apocalyptic number.

It is an amenable number.

12070161 is a deficient number, since it is larger than the sum of its proper divisors (6117039).

12070161 is an equidigital number, since it uses as much as digits as its factorization.

12070161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645 (or 7639 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 12070161 is about 3474.2137239957. The cubic root of 12070161 is about 229.3881722693.

Adding to 12070161 its reverse (16107021), we get a palindrome (28177182).

The spelling of 12070161 in words is "twelve million, seventy thousand, one hundred sixty-one".