201020112122012 has 12 divisors (see below), whose sum is σ = 351791463824136. Its totient is φ = 100508265315120.

The previous prime is 201020112122009. The next prime is 201020112122047. The reversal of 201020112122012 is 210221211020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447433883 + ... + 447882930.

It is an arithmetic number, because the mean of its divisors is an integer number (29315955318678).

Almost surely, 2^{201020112122012} is an apocalyptic number.

It is an amenable number.

201020112122012 is a deficient number, since it is larger than the sum of its proper divisors (150771351702124).

201020112122012 is a wasteful number, since it uses less digits than its factorization.

201020112122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895372948 (or 895372946 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201020112122012 its reverse (210221211020102), we get a palindrome (411241323142114).

The spelling of 201020112122012 in words is "two hundred one trillion, twenty billion, one hundred twelve million, one hundred twenty-two thousand, twelve".