12122120120211 has 12 divisors (see below), whose sum is σ = 17586190764480. Its totient is φ = 8046123397200.

The previous prime is 12122120120207. The next prime is 12122120120221. The reversal of 12122120120211 is 11202102122121.

12122120120211 is a `hidden beast` number, since 1 + 212 + 2 + 120 + 120 + 211 = 666.

It is not a de Polignac number, because 12122120120211 - 2² = 12122120120207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122120120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2940832515 + ... + 2940836636.

It is an arithmetic number, because the mean of its divisors is an integer number (1465515897040).

Almost surely, 2^{12122120120211} is an apocalyptic number.

12122120120211 is a deficient number, since it is larger than the sum of its proper divisors (5464070644269).

12122120120211 is a wasteful number, since it uses less digits than its factorization.

12122120120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881669386 (or 5881669383 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12122120120211 its reverse (11202102122121), we get a palindrome (23324222242332).

The spelling of 12122120120211 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty thousand, two hundred eleven".