12000133 has 2 divisors, whose sum is σ = 12000134. Its totient is φ = 12000132.

The previous prime is 12000127. The next prime is 12000239. The reversal of 12000133 is 33100021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11950849 + 49284 = 3457^2 + 222^2 .

It is an emirp because it is prime and its reverse (33100021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12000133 - 2¹⁷ = 11869061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000433) 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 as a sum of consecutive naturals, namely, 6000066 + 6000067.

It is an arithmetic number, because the mean of its divisors is an integer number (6000067).

Almost surely, 2^12000133 is an apocalyptic number.

It is an amenable number.

12000133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000133 is an equidigital number, since it uses as much as digits as its factorization.

12000133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 12000133 is about 3464.1208119810. The cubic root of 12000133 is about 228.9436943242.

Adding to 12000133 its reverse (33100021), we get a palindrome (45100154).

The spelling of 12000133 in words is "twelve million, one hundred thirty-three", and thus it is an aban number.