12133113011 has 4 divisors (see below), whose sum is σ = 12286696800. Its totient is φ = 11979529224.

The previous prime is 12133112977. The next prime is 12133113023. The reversal of 12133113011 is 11031133121.

12133113011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11031133121 = 37 ⋅298138733.

It is a cyclic number.

It is not a de Polignac number, because 12133113011 - 2¹⁸ = 12132850867 is a prime.

It is a super-2 number, since 2×12133113011² (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 (12133113071) 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, 76791776 + ... + 76791933.

It is an arithmetic number, because the mean of its divisors is an integer number (3071674200).

Almost surely, 2^12133113011 is an apocalyptic number.

12133113011 is a deficient number, since it is larger than the sum of its proper divisors (153583789).

12133113011 is an equidigital number, since it uses as much as digits as its factorization.

12133113011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153583788.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 12133113011 its reverse (11031133121), we get a palindrome (23164246132).

The spelling of 12133113011 in words is "twelve billion, one hundred thirty-three million, one hundred thirteen thousand, eleven".