12212112020211 has 8 divisors (see below), whose sum is σ = 18092017807760. Its totient is φ = 8141408013456.

The previous prime is 12212112020177. The next prime is 12212112020239. The reversal of 12212112020211 is 11202021121221.

12212112020211 is a `hidden beast` number, since 1 + 221 + 211 + 2 + 0 + 20 + 211 = 666.

It is not a de Polignac number, because 12212112020211 - 2⁹ = 12212112019699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212112020291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226150222570 + ... + 226150222623.

It is an arithmetic number, because the mean of its divisors is an integer number (2261502225970).

Almost surely, 2^{12212112020211} is an apocalyptic number.

12212112020211 is a deficient number, since it is larger than the sum of its proper divisors (5879905787549).

12212112020211 is an equidigital number, since it uses as much as digits as its factorization.

12212112020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452300445202 (or 452300445196 counting only the distinct ones).

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

Adding to 12212112020211 its reverse (11202021121221), we get a palindrome (23414133141432).

The spelling of 12212112020211 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, twenty thousand, two hundred eleven".