12131103203333 has 4 divisors (see below), whose sum is σ = 12131118370368. Its totient is φ = 12131088036300.

The previous prime is 12131103203311. The next prime is 12131103203369. The reversal of 12131103203333 is 33330230113121.

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 12131103203333 - 2²⁰ = 12131102154757 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 (12131103203383) 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 3 ways as a sum of consecutive naturals, for example, 6312791 + ... + 8007092.

It is an arithmetic number, because the mean of its divisors is an integer number (3032779592592).

Almost surely, 2^{12131103203333} is an apocalyptic number.

It is an amenable number.

12131103203333 is a deficient number, since it is larger than the sum of its proper divisors (15167035).

12131103203333 is an equidigital number, since it uses as much as digits as its factorization.

12131103203333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15167034.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 12131103203333 its reverse (33330230113121), we get a palindrome (45461333316454).

The spelling of 12131103203333 in words is "twelve trillion, one hundred thirty-one billion, one hundred three million, two hundred three thousand, three hundred thirty-three".