12122102120211 has 20 divisors (see below), whose sum is σ = 18108673741312. Its totient is φ = 8081245950768.

The previous prime is 12122102120207. The next prime is 12122102120221. The reversal of 12122102120211 is 11202120122121.

12122102120211 is a `hidden beast` number, since 1 + 21 + 221 + 0 + 212 + 0 + 211 = 666.

It is not a de Polignac number, because 12122102120211 - 2² = 12122102120207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122102120221) 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 19 ways as a sum of consecutive naturals, for example, 2876526 + ... + 5702508.

Almost surely, 2^{12122102120211} is an apocalyptic number.

12122102120211 is a deficient number, since it is larger than the sum of its proper divisors (5986571621101).

12122102120211 is an equidigital number, since it uses as much as digits as its factorization.

12122102120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878952 (or 2878943 counting only the distinct ones).

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

Adding to 12122102120211 its reverse (11202120122121), we get a palindrome (23324222242332).

The spelling of 12122102120211 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, one hundred twenty thousand, two hundred eleven".