12122201201161 has 2 divisors, whose sum is σ = 12122201201162. Its totient is φ = 12122201201160.

The previous prime is 12122201201111. The next prime is 12122201201233. The reversal of 12122201201161 is 16110210222121.

12122201201161 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 can be written as a sum of positive squares in only one way, i.e., 8704624129600 + 3417577071561 = 2950360^2 + 1848669^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122201201161 - 2¹⁵ = 12122201168393 is a prime.

It is a super-2 number, since 2×12122201201161² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12122201201111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061100600580 + 6061100600581.

It is an arithmetic number, because the mean of its divisors is an integer number (6061100600581).

Almost surely, 2^{12122201201161} is an apocalyptic number.

It is an amenable number.

12122201201161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122201201161 is an equidigital number, since it uses as much as digits as its factorization.

12122201201161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 12122201201161 its reverse (16110210222121), we get a palindrome (28232411423282).

The spelling of 12122201201161 in words is "twelve trillion, one hundred twenty-two billion, two hundred one million, two hundred one thousand, one hundred sixty-one".