12301403021 has 2 divisors, whose sum is σ = 12301403022. Its totient is φ = 12301403020.

The previous prime is 12301403017. The next prime is 12301403027. The reversal of 12301403021 is 12030410321.

12301403021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10361000521 + 1940402500 = 101789^2 + 44050^2 .

It is a cyclic number.

It is not a de Polignac number, because 12301403021 - 2² = 12301403017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12301403027) 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, 6150701510 + 6150701511.

It is an arithmetic number, because the mean of its divisors is an integer number (6150701511).

Almost surely, 2^12301403021 is an apocalyptic number.

It is an amenable number.

12301403021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301403021 is an equidigital number, since it uses as much as digits as its factorization.

12301403021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12301403021 its reverse (12030410321), we get a palindrome (24331813342).

The spelling of 12301403021 in words is "twelve billion, three hundred one million, four hundred three thousand, twenty-one".