12067071385 has 4 divisors (see below), whose sum is σ = 14480485668. Its totient is φ = 9653657104.

The previous prime is 12067071349. The next prime is 12067071389. The reversal of 12067071385 is 58317076021.

12067071385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6922739209 + 5144332176 = 83203^2 + 71724^2 .

It is a cyclic number.

It is not a de Polignac number, because 12067071385 - 2¹¹ = 12067069337 is a prime.

It is a super-2 number, since 2×12067071385² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12067071389) 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 3 ways as a sum of consecutive naturals, for example, 1206707134 + ... + 1206707143.

It is an arithmetic number, because the mean of its divisors is an integer number (3620121417).

Almost surely, 2^12067071385 is an apocalyptic number.

It is an amenable number.

12067071385 is a deficient number, since it is larger than the sum of its proper divisors (2413414283).

12067071385 is an equidigital number, since it uses as much as digits as its factorization.

12067071385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413414282.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 12067071385 in words is "twelve billion, sixty-seven million, seventy-one thousand, three hundred eighty-five".