2012220011 has 12 divisors (see below), whose sum is σ = 2141796552. Its totient is φ = 1890091008.

The previous prime is 2012219987. The next prime is 2012220019. The reversal of 2012220011 is 1100222102.

It is a happy number.

It is not a de Polignac number, because 2012220011 - 2¹⁰ = 2012218987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012219974 and 2012220001.

It is not an unprimeable number, because it can be changed into a prime (2012220019) 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 11 ways as a sum of consecutive naturals, for example, 144491 + ... + 157803.

It is an arithmetic number, because the mean of its divisors is an integer number (178483046).

Almost surely, 2^2012220011 is an apocalyptic number.

2012220011 is a deficient number, since it is larger than the sum of its proper divisors (129576541).

2012220011 is a wasteful number, since it uses less digits than its factorization.

2012220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870 (or 13853 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2012220011 is about 44857.7753683796. The cubic root of 2012220011 is about 1262.4818829018.

Adding to 2012220011 its reverse (1100222102), we get a palindrome (3112442113).

The spelling of 2012220011 in words is "two billion, twelve million, two hundred twenty thousand, eleven".