12031301133 has 6 divisors (see below), whose sum is σ = 17378546094. Its totient is φ = 8020867416.

The previous prime is 12031301099. The next prime is 12031301171. The reversal of 12031301133 is 33110313021.

It is a happy number.

12031301133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11663352009 + 367949124 = 107997^2 + 19182^2 .

It is not a de Polignac number, because 12031301133 - 2²⁸ = 11762865677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031301033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 668405610 + ... + 668405627.

It is an arithmetic number, because the mean of its divisors is an integer number (2896424349).

Almost surely, 2^12031301133 is an apocalyptic number.

It is an amenable number.

12031301133 is a deficient number, since it is larger than the sum of its proper divisors (5347244961).

12031301133 is a wasteful number, since it uses less digits than its factorization.

12031301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336811243 (or 1336811240 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 12031301133 its reverse (33110313021), we get a palindrome (45141614154).

The spelling of 12031301133 in words is "twelve billion, thirty-one million, three hundred one thousand, one hundred thirty-three".