2012220112001 has 6 divisors (see below), whose sum is σ = 2211779131506. Its totient is φ = 1829291010800.

The previous prime is 2012220111961. The next prime is 2012220112009. The reversal of 2012220112001 is 1002110222102.

It can be written as a sum of positive squares in only one way, i.e., 1970092960000 + 42127152001 = 1403600^2 + 205249^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2012220112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012220112009) 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 5 ways as a sum of consecutive naturals, for example, 8314959020 + ... + 8314959261.

It is an arithmetic number, because the mean of its divisors is an integer number (368629855251).

Almost surely, 2^{2012220112001} is an apocalyptic number.

It is an amenable number.

2012220112001 is a deficient number, since it is larger than the sum of its proper divisors (199559019505).

2012220112001 is a wasteful number, since it uses less digits than its factorization.

2012220112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16629918303 (or 16629918292 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012220112001 its reverse (1002110222102), we get a palindrome (3014330334103).

The spelling of 2012220112001 in words is "two trillion, twelve billion, two hundred twenty million, one hundred twelve thousand, one".