12033311103 has 16 divisors (see below), whose sum is σ = 19447776000. Its totient is φ = 7292915640.

The previous prime is 12033311077. The next prime is 12033311107. The reversal of 12033311103 is 30111333021.

It is a happy number.

It is not a de Polignac number, because 12033311103 - 2²¹ = 12031213951 is a prime.

It is a super-2 number, since 2×12033311103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033311107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20257803 + ... + 20258396.

It is an arithmetic number, because the mean of its divisors is an integer number (1215486000).

Almost surely, 2^12033311103 is an apocalyptic number.

12033311103 is a deficient number, since it is larger than the sum of its proper divisors (7414464897).

12033311103 is a wasteful number, since it uses less digits than its factorization.

12033311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40516219 (or 40516213 counting only the distinct ones).

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

Adding to 12033311103 its reverse (30111333021), we get a palindrome (42144644124).

The spelling of 12033311103 in words is "twelve billion, thirty-three million, three hundred eleven thousand, one hundred three".