12350121409 has 2 divisors, whose sum is σ = 12350121410. Its totient is φ = 12350121408.

The previous prime is 12350121361. The next prime is 12350121491. The reversal of 12350121409 is 90412105321.

12350121409 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., 10327640625 + 2022480784 = 101625^2 + 44972^2 .

It is a cyclic number.

It is not a de Polignac number, because 12350121409 - 2¹⁷ = 12349990337 is a prime.

It is not a weakly prime, because it can be changed into another prime (12350121499) 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, 6175060704 + 6175060705.

It is an arithmetic number, because the mean of its divisors is an integer number (6175060705).

Almost surely, 2^12350121409 is an apocalyptic number.

It is an amenable number.

12350121409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12350121409 is an equidigital number, since it uses as much as digits as its factorization.

12350121409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 12350121409 in words is "twelve billion, three hundred fifty million, one hundred twenty-one thousand, four hundred nine".