12133233011 has 4 divisors (see below), whose sum is σ = 12171508512. Its totient is φ = 12094957512.

The previous prime is 12133233001. The next prime is 12133233017. The reversal of 12133233011 is 11033233121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11033233121 = 17 ⋅649013713.

It is a cyclic number.

It is not a de Polignac number, because 12133233011 - 2³⁰ = 11059491187 is a prime.

It is a super-2 number, since 2×12133233011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133233017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19137275 + ... + 19137908.

It is an arithmetic number, because the mean of its divisors is an integer number (3042877128).

Almost surely, 2^12133233011 is an apocalyptic number.

12133233011 is a deficient number, since it is larger than the sum of its proper divisors (38275501).

12133233011 is an equidigital number, since it uses as much as digits as its factorization.

12133233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38275500.

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

Adding to 12133233011 its reverse (11033233121), we get a palindrome (23166466132).

The spelling of 12133233011 in words is "twelve billion, one hundred thirty-three million, two hundred thirty-three thousand, eleven".