201020211212 has 6 divisors (see below), whose sum is σ = 351785369628. Its totient is φ = 100510105604.

The previous prime is 201020211103. The next prime is 201020211277. The reversal of 201020211212 is 212112020102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25127526398 + ... + 25127526405.

It is an arithmetic number, because the mean of its divisors is an integer number (58630894938).

Almost surely, 2^201020211212 is an apocalyptic number.

It is an amenable number.

201020211212 is a deficient number, since it is larger than the sum of its proper divisors (150765158416).

201020211212 is a wasteful number, since it uses less digits than its factorization.

201020211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50255052807 (or 50255052805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201020211212 its reverse (212112020102), we get a palindrome (413132231314).

The spelling of 201020211212 in words is "two hundred one billion, twenty million, two hundred eleven thousand, two hundred twelve".