12122101995847 has 2 divisors, whose sum is σ = 12122101995848. Its totient is φ = 12122101995846.

The previous prime is 12122101995833. The next prime is 12122101995853. The reversal of 12122101995847 is 74859910122121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122101995847 - 2¹⁹ = 12122101471559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12122101995794 and 12122101995803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122101995247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061050997923 + 6061050997924.

It is an arithmetic number, because the mean of its divisors is an integer number (6061050997924).

Almost surely, 2^{12122101995847} is an apocalyptic number.

12122101995847 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122101995847 is an equidigital number, since it uses as much as digits as its factorization.

12122101995847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 12122101995847 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, nine hundred ninety-five thousand, eight hundred forty-seven".