2201221002012 has 48 divisors (see below), whose sum is σ = 5471646418560. Its totient is φ = 686747446848.

The previous prime is 2201221001989. The next prime is 2201221002041. The reversal of 2201221002012 is 2102001221022.

It is a junction number, because it is equal to n+sod(n) for n = 2201221001982 and 2201221002000.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 58140583 + ... + 58178430.

It is an arithmetic number, because the mean of its divisors is an integer number (113992633720).

Almost surely, 2^{2201221002012} is an apocalyptic number.

It is an amenable number.

2201221002012 is an abundant number, since it is smaller than the sum of its proper divisors (3270425416548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201221002012 is a wasteful number, since it uses less digits than its factorization.

2201221002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116319122 (or 116319120 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2201221002012 its reverse (2102001221022), we get a palindrome (4303222223034).

The spelling of 2201221002012 in words is "two trillion, two hundred one billion, two hundred twenty-one million, two thousand, twelve".