12000166067 has 4 divisors (see below), whose sum is σ = 12024023760. Its totient is φ = 11976308376.

The previous prime is 12000166049. The next prime is 12000166093. The reversal of 12000166067 is 76066100021.

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

It is a cyclic number.

It is not a de Polignac number, because 12000166067 - 2¹⁴ = 12000149683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000166267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11928092 + ... + 11929097.

It is an arithmetic number, because the mean of its divisors is an integer number (3006005940).

Almost surely, 2^12000166067 is an apocalyptic number.

12000166067 is a deficient number, since it is larger than the sum of its proper divisors (23857693).

12000166067 is an equidigital number, since it uses as much as digits as its factorization.

12000166067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23857692.

The product of its (nonzero) digits is 3024, while the sum is 29.

Adding to 12000166067 its reverse (76066100021), we get a palindrome (88066266088).

The spelling of 12000166067 in words is "twelve billion, one hundred sixty-six thousand, sixty-seven".