12001071165 has 16 divisors (see below), whose sum is σ = 19564011648. Its totient is φ = 6279805376.

The previous prime is 12001071163. The next prime is 12001071167. The reversal of 12001071165 is 56117010021.

12001071165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12001071163) and next prime (12001071167).

It is a cyclic number.

It is not a de Polignac number, because 12001071165 - 2¹ = 12001071163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001071161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7547049 + ... + 7548638.

It is an arithmetic number, because the mean of its divisors is an integer number (1222750728).

Almost surely, 2^12001071165 is an apocalyptic number.

12001071165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12001071165 is a deficient number, since it is larger than the sum of its proper divisors (7562940483).

12001071165 is a wasteful number, since it uses less digits than its factorization.

12001071165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15095748.

The product of its (nonzero) digits is 420, while the sum is 24.

Adding to 12001071165 its reverse (56117010021), we get a palindrome (68118081186).

The spelling of 12001071165 in words is "twelve billion, one million, seventy-one thousand, one hundred sixty-five".