12131311133 has 8 divisors (see below), whose sum is σ = 12336189600. Its totient is φ = 11926626480.

The previous prime is 12131311123. The next prime is 12131311147. The reversal of 12131311133 is 33111313121.

12131311133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12131311133 - 2²² = 12127116829 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 (12131311103) 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 7 ways as a sum of consecutive naturals, for example, 80666 + ... + 175412.

It is an arithmetic number, because the mean of its divisors is an integer number (1542023700).

Almost surely, 2^12131311133 is an apocalyptic number.

It is an amenable number.

12131311133 is a deficient number, since it is larger than the sum of its proper divisors (204878467).

12131311133 is an equidigital number, since it uses as much as digits as its factorization.

12131311133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96907.

The product of its digits is 162, while the sum is 20.

Adding to 12131311133 its reverse (33111313121), we get a palindrome (45242624254).

The spelling of 12131311133 in words is "twelve billion, one hundred thirty-one million, three hundred eleven thousand, one hundred thirty-three".