12122021120211 has 28 divisors (see below), whose sum is σ = 18188884737288. Its totient is φ = 8075048000544.

The previous prime is 12122021120189. The next prime is 12122021120227. The reversal of 12122021120211 is 11202112022121.

12122021120211 is a `hidden beast` number, since 1 + 2 + 1 + 220 + 211 + 20 + 211 = 666.

It is not a de Polignac number, because 12122021120211 - 2⁵ = 12122021120179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122021120281) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5544930 + ... + 7415543.

Almost surely, 2^{12122021120211} is an apocalyptic number.

12122021120211 is a deficient number, since it is larger than the sum of its proper divisors (6066863617077).

12122021120211 is an equidigital number, since it uses as much as digits as its factorization.

12122021120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12961774 (or 12961759 counting only the distinct ones).

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

Adding to 12122021120211 its reverse (11202112022121), we get a palindrome (23324133142332).

The spelling of 12122021120211 in words is "twelve trillion, one hundred twenty-two billion, twenty-one million, one hundred twenty thousand, two hundred eleven".