2012021322112 has 16 divisors (see below), whose sum is σ = 4008323727900. Its totient is φ = 1006010660992.

The previous prime is 2012021322109. The next prime is 2012021322131. The reversal of 2012021322112 is 2112231202102.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 2012021322112.

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 as a sum of consecutive naturals, namely, 7859458162 + ... + 7859458417.

Almost surely, 2^{2012021322112} is an apocalyptic number.

It is an amenable number.

2012021322112 is a deficient number, since it is larger than the sum of its proper divisors (1996302405788).

2012021322112 is an equidigital number, since it uses as much as digits as its factorization.

2012021322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15718916593 (or 15718916581 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2012021322112 its reverse (2112231202102), we get a palindrome (4124252524214).

The spelling of 2012021322112 in words is "two trillion, twelve billion, twenty-one million, three hundred twenty-two thousand, one hundred twelve".