9412002121 has 2 divisors, whose sum is σ = 9412002122. Its totient is φ = 9412002120.

The previous prime is 9412002097. The next prime is 9412002139. The reversal of 9412002121 is 1212002149.

9412002121 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 can be written as a sum of positive squares in only one way, i.e., 9347022400 + 64979721 = 96680^2 + 8061^2 .

It is an emirp because it is prime and its reverse (1212002149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9412002121 - 2⁷ = 9412001993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9412002092 and 9412002101.

It is not a weakly prime, because it can be changed into another prime (9412002151) 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, 4706001060 + 4706001061.

It is an arithmetic number, because the mean of its divisors is an integer number (4706001061).

Almost surely, 2^9412002121 is an apocalyptic number.

It is an amenable number.

9412002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9412002121 is an equidigital number, since it uses as much as digits as its factorization.

9412002121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 9412002121 is about 97015.4736163258. The cubic root of 9412002121 is about 2111.3521368607.

The spelling of 9412002121 in words is "nine billion, four hundred twelve million, two thousand, one hundred twenty-one".