12021023033 has 2 divisors, whose sum is σ = 12021023034. Its totient is φ = 12021023032.

The previous prime is 12021023029. The next prime is 12021023057. The reversal of 12021023033 is 33032012021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8740941049 + 3280081984 = 93493^2 + 57272^2 .

It is an emirp because it is prime and its reverse (33032012021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021023033 - 2² = 12021023029 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021023093) 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, 6010511516 + 6010511517.

It is an arithmetic number, because the mean of its divisors is an integer number (6010511517).

Almost surely, 2^12021023033 is an apocalyptic number.

It is an amenable number.

12021023033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021023033 is an equidigital number, since it uses as much as digits as its factorization.

12021023033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12021023033 its reverse (33032012021), we get a palindrome (45053035054).

The spelling of 12021023033 in words is "twelve billion, twenty-one million, twenty-three thousand, thirty-three".