2012211021017 has 2 divisors, whose sum is σ = 2012211021018. Its totient is φ = 2012211021016.

The previous prime is 2012211020993. The next prime is 2012211021061. The reversal of 2012211021017 is 7101201122102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1833001885456 + 179209135561 = 1353884^2 + 423331^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012211021017 - 2²² = 2012206826713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012211021017.

It is not a weakly prime, because it can be changed into another prime (2012211021817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006105510508 + 1006105510509.

It is an arithmetic number, because the mean of its divisors is an integer number (1006105510509).

Almost surely, 2^{2012211021017} is an apocalyptic number.

It is an amenable number.

2012211021017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012211021017 is an equidigital number, since it uses as much as digits as its factorization.

2012211021017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 2012211021017 its reverse (7101201122102), we get a palindrome (9113412143119).

The spelling of 2012211021017 in words is "two trillion, twelve billion, two hundred eleven million, twenty-one thousand, seventeen".