20012012220012 has 24 divisors (see below), whose sum is σ = 47257281871296. Its totient is φ = 6590301212688.

The previous prime is 20012012219981. The next prime is 20012012220041. The reversal of 20012012220012 is 21002221021002.

It is a junction number, because it is equal to n+sod(n) for n = 20012012219973 and 20012012220000.

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, 10046189878 + ... + 10046191869.

It is an arithmetic number, because the mean of its divisors is an integer number (1969053411304).

Almost surely, 2^{20012012220012} is an apocalyptic number.

It is an amenable number.

20012012220012 is an abundant number, since it is smaller than the sum of its proper divisors (27245269651284).

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

20012012220012 is a wasteful number, since it uses less digits than its factorization.

20012012220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20092381837 (or 20092381835 counting only the distinct ones).

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

Adding to 20012012220012 its reverse (21002221021002), we get a palindrome (41014233241014).

The spelling of 20012012220012 in words is "twenty trillion, twelve billion, twelve million, two hundred twenty thousand, twelve".