12122015122159 has 2 divisors, whose sum is σ = 12122015122160. Its totient is φ = 12122015122158.

The previous prime is 12122015122153. The next prime is 12122015122163. The reversal of 12122015122159 is 95122151022121.

12122015122159 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 a cyclic number.

It is not a de Polignac number, because 12122015122159 - 2⁵ = 12122015122127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122015122153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061007561079 + 6061007561080.

It is an arithmetic number, because the mean of its divisors is an integer number (6061007561080).

Almost surely, 2^{12122015122159} is an apocalyptic number.

12122015122159 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122015122159 is an equidigital number, since it uses as much as digits as its factorization.

12122015122159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 34.

The spelling of 12122015122159 in words is "twelve trillion, one hundred twenty-two billion, fifteen million, one hundred twenty-two thousand, one hundred fifty-nine".