12033011133 has 60 divisors (see below), whose sum is σ = 21277971484. Its totient is φ = 6731683200.

The previous prime is 12033011083. The next prime is 12033011147. The reversal of 12033011133 is 33111033021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6622378884 + 5410632249 = 81378^2 + 73557^2 .

It is not a de Polignac number, because 12033011133 - 2⁶ = 12033011069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033011533) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 80193 + ... + 174633.

Almost surely, 2^12033011133 is an apocalyptic number.

12033011133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12033011133 is a deficient number, since it is larger than the sum of its proper divisors (9244960351).

12033011133 is a wasteful number, since it uses less digits than its factorization.

12033011133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94488 (or 94468 counting only the distinct ones).

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

Adding to 12033011133 its reverse (33111033021), we get a palindrome (45144044154).

The spelling of 12033011133 in words is "twelve billion, thirty-three million, eleven thousand, one hundred thirty-three".