12180133 has 8 divisors (see below), whose sum is σ = 14525568. Its totient is φ = 9986064.

The previous prime is 12180101. The next prime is 12180151. The reversal of 12180133 is 33108121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12180133 - 2⁵ = 12180101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12180133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12180173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37666 + ... + 37987.

It is an arithmetic number, because the mean of its divisors is an integer number (1815696).

Almost surely, 2^12180133 is an apocalyptic number.

It is an amenable number.

12180133 is a deficient number, since it is larger than the sum of its proper divisors (2345435).

12180133 is an equidigital number, since it uses as much as digits as its factorization.

12180133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75683.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12180133 is about 3490.0047277905. The cubic root of 12180133 is about 230.0827238664.

Adding to 12180133 its reverse (33108121), we get a palindrome (45288254).

The spelling of 12180133 in words is "twelve million, one hundred eighty thousand, one hundred thirty-three".