12122121001147 has 2 divisors, whose sum is σ = 12122121001148. Its totient is φ = 12122121001146.

The previous prime is 12122121001093. The next prime is 12122121001157. The reversal of 12122121001147 is 74110012122121.

It is a strong prime.

It is an emirp because it is prime and its reverse (74110012122121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122121001147 - 2¹¹ = 12122120999099 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122121001157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061060500573 + 6061060500574.

It is an arithmetic number, because the mean of its divisors is an integer number (6061060500574).

Almost surely, 2^{12122121001147} is an apocalyptic number.

12122121001147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122121001147 is an equidigital number, since it uses as much as digits as its factorization.

12122121001147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 12122121001147 its reverse (74110012122121), we get a palindrome (86232133123268).

The spelling of 12122121001147 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, one thousand, one hundred forty-seven".