20012210220012 has 24 divisors (see below), whose sum is σ = 46695268978176. Its totient is φ = 6670720768848.

The previous prime is 20012210219977. The next prime is 20012210220091. The reversal of 20012210220012 is 21002201221002.

It is a junction number, because it is equal to n+sod(n) for n = 20012210219973 and 20012210220000.

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, 3927693 + ... + 7446555.

It is an arithmetic number, because the mean of its divisors is an integer number (1945636207424).

Almost surely, 2^{20012210220012} is an apocalyptic number.

It is an amenable number.

20012210220012 is an abundant number, since it is smaller than the sum of its proper divisors (26683058758164).

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

20012210220012 is a wasteful number, since it uses less digits than its factorization.

20012210220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992797 (or 3992795 counting only the distinct ones).

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

Adding to 20012210220012 its reverse (21002201221002), we get a palindrome (41014411441014).

The spelling of 20012210220012 in words is "twenty trillion, twelve billion, two hundred ten million, two hundred twenty thousand, twelve".