201020012012 has 6 divisors (see below), whose sum is σ = 351785021028. Its totient is φ = 100510006004.

The previous prime is 201020012003. The next prime is 201020012023. The reversal of 201020012012 is 210210020102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201020011984 and 201020012002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25127501498 + ... + 25127501505.

It is an arithmetic number, because the mean of its divisors is an integer number (58630836838).

Almost surely, 2^201020012012 is an apocalyptic number.

It is an amenable number.

201020012012 is a deficient number, since it is larger than the sum of its proper divisors (150765009016).

201020012012 is a wasteful number, since it uses less digits than its factorization.

201020012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50255003007 (or 50255003005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201020012012 its reverse (210210020102), we get a palindrome (411230032114).

The spelling of 201020012012 in words is "two hundred one billion, twenty million, twelve thousand, twelve".