12033012331 has 2 divisors, whose sum is σ = 12033012332. Its totient is φ = 12033012330.

The previous prime is 12033012323. The next prime is 12033012449. The reversal of 12033012331 is 13321033021.

It is a weak prime.

It is an emirp because it is prime and its reverse (13321033021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12033012331 - 2³ = 12033012323 is a prime.

It is a super-2 number, since 2×12033012331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12033012299 and 12033012308.

It is not a weakly prime, because it can be changed into another prime (12033012031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016506165 + 6016506166.

It is an arithmetic number, because the mean of its divisors is an integer number (6016506166).

Almost surely, 2^12033012331 is an apocalyptic number.

12033012331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12033012331 is an equidigital number, since it uses as much as digits as its factorization.

12033012331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12033012331 its reverse (13321033021), we get a palindrome (25354045352).

The spelling of 12033012331 in words is "twelve billion, thirty-three million, twelve thousand, three hundred thirty-one".