12001203133 has 4 divisors (see below), whose sum is σ = 12001436640. Its totient is φ = 12000969628.

The previous prime is 12001203107. The next prime is 12001203167. The reversal of 12001203133 is 33130210021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12001203133 - 2⁵ = 12001203101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001203103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185 + ... + 154942.

It is an arithmetic number, because the mean of its divisors is an integer number (3000359160).

Almost surely, 2^12001203133 is an apocalyptic number.

It is an amenable number.

12001203133 is a deficient number, since it is larger than the sum of its proper divisors (233507).

12001203133 is an equidigital number, since it uses as much as digits as its factorization.

12001203133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233506.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12001203133 its reverse (33130210021), we get a palindrome (45131413154).

The spelling of 12001203133 in words is "twelve billion, one million, two hundred three thousand, one hundred thirty-three".