12133122311 has 12 divisors (see below), whose sum is σ = 12699711360. Its totient is φ = 11590840800.

The previous prime is 12133122307. The next prime is 12133122317. The reversal of 12133122311 is 11322133121.

It is a happy number.

It is not a de Polignac number, because 12133122311 - 2² = 12133122307 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 (12133122317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413786 + ... + 442136.

It is an arithmetic number, because the mean of its divisors is an integer number (1058309280).

Almost surely, 2^12133122311 is an apocalyptic number.

12133122311 is a deficient number, since it is larger than the sum of its proper divisors (566589049).

12133122311 is an equidigital number, since it uses as much as digits as its factorization.

12133122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29206 (or 29183 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 12133122311 its reverse (11322133121), we get a palindrome (23455255432).

The spelling of 12133122311 in words is "twelve billion, one hundred thirty-three million, one hundred twenty-two thousand, three hundred eleven".