12331001133 has 24 divisors (see below), whose sum is σ = 19512005760. Its totient is φ = 7442050560.

The previous prime is 12331001113. The next prime is 12331001171. The reversal of 12331001133 is 33110013321.

It is a happy number.

It is not a de Polignac number, because 12331001133 - 2¹² = 12330997037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331001113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236916 + ... + 284237.

It is an arithmetic number, because the mean of its divisors is an integer number (813000240).

Almost surely, 2^12331001133 is an apocalyptic number.

It is an amenable number.

12331001133 is a deficient number, since it is larger than the sum of its proper divisors (7181004627).

12331001133 is a wasteful number, since it uses less digits than its factorization.

12331001133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521409 (or 521406 counting only the distinct ones).

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

Adding to 12331001133 its reverse (33110013321), we get a palindrome (45441014454).

The spelling of 12331001133 in words is "twelve billion, three hundred thirty-one million, one thousand, one hundred thirty-three".