12012133 has 8 divisors (see below), whose sum is σ = 13749120. Its totient is φ = 10280400.

The previous prime is 12012131. The next prime is 12012137. The reversal of 12012133 is 33121021.

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 12012133 - 2¹ = 12012131 is a prime.

It is a super-4 number, since 4×12012133⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012131) 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 7 ways as a sum of consecutive naturals, for example, 8448 + ... + 9766.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^12012133 is an apocalyptic number.

It is an amenable number.

12012133 is a deficient number, since it is larger than the sum of its proper divisors (1736987).

12012133 is a wasteful number, since it uses less digits than its factorization.

12012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12012133 is about 3465.8524204011. The cubic root of 12012133 is about 229.0199826196.

Adding to 12012133 its reverse (33121021), we get a palindrome (45133154).

It can be divided in two parts, 1201213 and 3, that added together give a square (1201216 = 1096²).

The spelling of 12012133 in words is "twelve million, twelve thousand, one hundred thirty-three".