201020220211012 has 24 divisors (see below), whose sum is σ = 358712597632536. Its totient is φ = 98533972762368.

The previous prime is 201020220211001. The next prime is 201020220211067. The reversal of 201020220211012 is 210112022020102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 117034835973696 + 83985384237316 = 10818264^2 + 9164354^2 .

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, 383007193 + ... + 383531680.

It is an arithmetic number, because the mean of its divisors is an integer number (14946358234689).

Almost surely, 2^{201020220211012} is an apocalyptic number.

It is an amenable number.

201020220211012 is a deficient number, since it is larger than the sum of its proper divisors (157692377421524).

201020220211012 is a wasteful number, since it uses less digits than its factorization.

201020220211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766540167 (or 766540165 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201020220211012 its reverse (210112022020102), we get a palindrome (411132242231114).

The spelling of 201020220211012 in words is "two hundred one trillion, twenty billion, two hundred twenty million, two hundred eleven thousand, twelve".