14123121212209 has 2 divisors, whose sum is σ = 14123121212210. Its totient is φ = 14123121212208.

The previous prime is 14123121212183. The next prime is 14123121212219. The reversal of 14123121212209 is 90221212132141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9266563074609 + 4856558137600 = 3044103^2 + 2203760^2 .

It is a cyclic number.

It is not a de Polignac number, because 14123121212209 - 2³⁵ = 14088761473841 is a prime.

It is a super-2 number, since 2×14123121212209² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14123121212219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7061560606104 + 7061560606105.

It is an arithmetic number, because the mean of its divisors is an integer number (7061560606105).

Almost surely, 2^{14123121212209} is an apocalyptic number.

It is an amenable number.

14123121212209 is a deficient number, since it is larger than the sum of its proper divisors (1).

14123121212209 is an equidigital number, since it uses as much as digits as its factorization.

14123121212209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 14123121212209 in words is "fourteen trillion, one hundred twenty-three billion, one hundred twenty-one million, two hundred twelve thousand, two hundred nine".