12021022043 has 2 divisors, whose sum is σ = 12021022044. Its totient is φ = 12021022042.

The previous prime is 12021022009. The next prime is 12021022051. The reversal of 12021022043 is 34022012021.

12021022043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34022012021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021022043 - 2³² = 7726054747 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021022003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010511021 + 6010511022.

It is an arithmetic number, because the mean of its divisors is an integer number (6010511022).

Almost surely, 2^12021022043 is an apocalyptic number.

12021022043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021022043 is an equidigital number, since it uses as much as digits as its factorization.

12021022043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12021022043 its reverse (34022012021), we get a palindrome (46043034064).

The spelling of 12021022043 in words is "twelve billion, twenty-one million, twenty-two thousand, forty-three".