12133321103 has 4 divisors (see below), whose sum is σ = 12165850488. Its totient is φ = 12100791720.

The previous prime is 12133321037. The next prime is 12133321117. The reversal of 12133321103 is 30112333121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12133321103 - 2²⁰ = 12132272527 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 (12133321153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16264133 + ... + 16264878.

It is an arithmetic number, because the mean of its divisors is an integer number (3041462622).

Almost surely, 2^12133321103 is an apocalyptic number.

12133321103 is a deficient number, since it is larger than the sum of its proper divisors (32529385).

12133321103 is an equidigital number, since it uses as much as digits as its factorization.

12133321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32529384.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12133321103 its reverse (30112333121), we get a palindrome (42245654224).

The spelling of 12133321103 in words is "twelve billion, one hundred thirty-three million, three hundred twenty-one thousand, one hundred three".