20102212100012 has 24 divisors (see below), whose sum is σ = 40460503343904. Its totient is φ = 8560359654912.

The previous prime is 20102212099979. The next prime is 20102212100063. The reversal of 20102212100012 is 21000121220102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 20102212100012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2286416453 + ... + 2286425244.

It is an arithmetic number, because the mean of its divisors is an integer number (1685854305996).

Almost surely, 2^{20102212100012} is an apocalyptic number.

It is an amenable number.

20102212100012 is an abundant number, since it is smaller than the sum of its proper divisors (20358291243892).

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

20102212100012 is a wasteful number, since it uses less digits than its factorization.

20102212100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572841865 (or 4572841863 counting only the distinct ones).

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

Adding to 20102212100012 its reverse (21000121220102), we get a palindrome (41102333320114).

The spelling of 20102212100012 in words is "twenty trillion, one hundred two billion, two hundred twelve million, one hundred thousand, twelve".