12122121110971 has 2 divisors, whose sum is σ = 12122121110972. Its totient is φ = 12122121110970.

The previous prime is 12122121110947. The next prime is 12122121111029. The reversal of 12122121110971 is 17901112122121.

12122121110971 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 is a cyclic number.

It is not a de Polignac number, because 12122121110971 - 2²⁷ = 12121986893243 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122121116971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061060555485 + 6061060555486.

It is an arithmetic number, because the mean of its divisors is an integer number (6061060555486).

Almost surely, 2^{12122121110971} is an apocalyptic number.

12122121110971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122121110971 is an equidigital number, since it uses as much as digits as its factorization.

12122121110971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 12122121110971 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, nine hundred seventy-one".