12013326433 has 2 divisors, whose sum is σ = 12013326434. Its totient is φ = 12013326432.

The previous prime is 12013326431. The next prime is 12013326449. The reversal of 12013326433 is 33462331021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11599936209 + 413390224 = 107703^2 + 20332^2 .

It is a cyclic number.

It is not a de Polignac number, because 12013326433 - 2¹ = 12013326431 is a prime.

Together with 12013326431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12013326431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006663216 + 6006663217.

It is an arithmetic number, because the mean of its divisors is an integer number (6006663217).

Almost surely, 2^12013326433 is an apocalyptic number.

It is an amenable number.

12013326433 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013326433 is an equidigital number, since it uses as much as digits as its factorization.

12013326433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12013326433 its reverse (33462331021), we get a palindrome (45475657454).

The spelling of 12013326433 in words is "twelve billion, thirteen million, three hundred twenty-six thousand, four hundred thirty-three".