12033331331 has 24 divisors (see below), whose sum is σ = 13954004064. Its totient is φ = 10164925440.

The previous prime is 12033331319. The next prime is 12033331339. The reversal of 12033331331 is 13313333021.

It is not a de Polignac number, because 12033331331 - 2⁶ = 12033331267 is a prime.

It is a super-2 number, since 2×12033331331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12033331297 and 12033331306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033331339) 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, 26102441 + ... + 26102901.

It is an arithmetic number, because the mean of its divisors is an integer number (581416836).

Almost surely, 2^12033331331 is an apocalyptic number.

12033331331 is a deficient number, since it is larger than the sum of its proper divisors (1920672733).

12033331331 is an equidigital number, since it uses as much as digits as its factorization.

12033331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 12033331331 its reverse (13313333021), we get a palindrome (25346664352).

The spelling of 12033331331 in words is "twelve billion, thirty-three million, three hundred thirty-one thousand, three hundred thirty-one".