20022221200012 has 12 divisors (see below), whose sum is σ = 35052665681376. Its totient is φ = 10007173862480.

The previous prime is 20022221199997. The next prime is 20022221200013. The reversal of 20022221200012 is 21000212222002.

It is not an unprimeable number, because it can be changed into a prime (20022221200013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984172939 + ... + 984193282.

It is an arithmetic number, because the mean of its divisors is an integer number (2921055473448).

Almost surely, 2^{20022221200012} is an apocalyptic number.

It is an amenable number.

20022221200012 is a deficient number, since it is larger than the sum of its proper divisors (15030444481364).

20022221200012 is a wasteful number, since it uses less digits than its factorization.

20022221200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968368768 (or 1968368766 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022221200012 its reverse (21000212222002), we get a palindrome (41022433422014).

The spelling of 20022221200012 in words is "twenty trillion, twenty-two billion, two hundred twenty-one million, two hundred thousand, twelve".