12133332011 has 4 divisors (see below), whose sum is σ = 12551722800. Its totient is φ = 11714941224.

The previous prime is 12133331927. The next prime is 12133332049. The reversal of 12133332011 is 11023333121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11023333121 = 31 ⋅355591391.

It is a cyclic number.

It is not a de Polignac number, because 12133332011 - 2¹⁸ = 12133069867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133332311) 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, 209195351 + ... + 209195408.

It is an arithmetic number, because the mean of its divisors is an integer number (3137930700).

Almost surely, 2^12133332011 is an apocalyptic number.

12133332011 is a deficient number, since it is larger than the sum of its proper divisors (418390789).

12133332011 is an equidigital number, since it uses as much as digits as its factorization.

12133332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418390788.

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

Adding to 12133332011 its reverse (11023333121), we get a palindrome (23156665132).

The spelling of 12133332011 in words is "twelve billion, one hundred thirty-three million, three hundred thirty-two thousand, eleven".