20002012222112 has 48 divisors (see below), whose sum is σ = 40122077063040. Its totient is φ = 9813831685632.

The previous prime is 20002012222111. The next prime is 20002012222123. The reversal of 20002012222112 is 21122221020002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20002012222111) 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 7 ways as a sum of consecutive naturals, for example, 23858453 + ... + 24682580.

It is an arithmetic number, because the mean of its divisors is an integer number (835876605480).

Almost surely, 2^{20002012222112} is an apocalyptic number.

It is an amenable number.

20002012222112 is an abundant number, since it is smaller than the sum of its proper divisors (20120064840928).

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

20002012222112 is a wasteful number, since it uses less digits than its factorization.

20002012222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48541285 (or 48541277 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20002012222112 its reverse (21122221020002), we get a palindrome (41124233242114).

The spelling of 20002012222112 in words is "twenty trillion, two billion, twelve million, two hundred twenty-two thousand, one hundred twelve".