12312033331133 has 2 divisors, whose sum is σ = 12312033331134. Its totient is φ = 12312033331132.

The previous prime is 12312033331109. The next prime is 12312033331189. The reversal of 12312033331133 is 33113333021321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11698438408804 + 613594922329 = 3420298^2 + 783323^2 .

It is a cyclic number.

It is not a de Polignac number, because 12312033331133 - 2¹⁸ = 12312033068989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12312033331096 and 12312033331105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312033331193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156016665566 + 6156016665567.

It is an arithmetic number, because the mean of its divisors is an integer number (6156016665567).

Almost surely, 2^{12312033331133} is an apocalyptic number.

It is an amenable number.

12312033331133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312033331133 is an equidigital number, since it uses as much as digits as its factorization.

12312033331133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 12312033331133 its reverse (33113333021321), we get a palindrome (45425366352454).

The spelling of 12312033331133 in words is "twelve trillion, three hundred twelve billion, thirty-three million, three hundred thirty-one thousand, one hundred thirty-three".