201020021220012 has 48 divisors (see below), whose sum is σ = 473506190868480. Its totient is φ = 66371316181632.

The previous prime is 201020021219959. The next prime is 201020021220059. The reversal of 201020021220012 is 210022120020102.

It is a junction number, because it is equal to n+sod(n) for n = 201020021219973 and 201020021220000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105950212 + ... + 107830827.

It is an arithmetic number, because the mean of its divisors is an integer number (9864712309760).

Almost surely, 2^{201020021220012} is an apocalyptic number.

It is an amenable number.

201020021220012 is an abundant number, since it is smaller than the sum of its proper divisors (272486169648468).

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

201020021220012 is a wasteful number, since it uses less digits than its factorization.

201020021220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213781790 (or 213781788 counting only the distinct ones).

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

Adding to 201020021220012 its reverse (210022120020102), we get a palindrome (411042141240114).

The spelling of 201020021220012 in words is "two hundred one trillion, twenty billion, twenty-one million, two hundred twenty thousand, twelve".