12012112022211 has 48 divisors (see below), whose sum is σ = 20291826846720. Its totient is φ = 6704052324480.

The previous prime is 12012112022203. The next prime is 12012112022213. The reversal of 12012112022211 is 11222021121021.

12012112022211 is a `hidden beast` number, since 1 + 201 + 211 + 20 + 22 + 211 = 666.

It is not a de Polignac number, because 12012112022211 - 2³ = 12012112022203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012112022213) 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 47 ways as a sum of consecutive naturals, for example, 51242991 + ... + 51476871.

It is an arithmetic number, because the mean of its divisors is an integer number (422746392640).

Almost surely, 2^{12012112022211} is an apocalyptic number.

12012112022211 is a deficient number, since it is larger than the sum of its proper divisors (8279714824509).

12012112022211 is a wasteful number, since it uses less digits than its factorization.

12012112022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252896 (or 252893 counting only the distinct ones).

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

Adding to 12012112022211 its reverse (11222021121021), we get a palindrome (23234133143232).

The spelling of 12012112022211 in words is "twelve trillion, twelve billion, one hundred twelve million, twenty-two thousand, two hundred eleven".