2012220211 has 8 divisors (see below), whose sum is σ = 2037357504. Its totient is φ = 1987104360.

The previous prime is 2012220209. The next prime is 2012220233. The reversal of 2012220211 is 1120222102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012220211 - 2¹ = 2012220209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012220191 and 2012220200.

It is not an unprimeable number, because it can be changed into a prime (2012220281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270816 + ... + 278146.

It is an arithmetic number, because the mean of its divisors is an integer number (254669688).

Almost surely, 2^2012220211 is an apocalyptic number.

2012220211 is a deficient number, since it is larger than the sum of its proper divisors (25137293).

2012220211 is an equidigital number, since it uses as much as digits as its factorization.

2012220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2012220211 is about 44857.7775976474. Note that the first 3 decimals coincide. The cubic root of 2012220211 is about 1262.4819247290.

Adding to 2012220211 its reverse (1120222102), we get a palindrome (3132442313).

The spelling of 2012220211 in words is "two billion, twelve million, two hundred twenty thousand, two hundred eleven".