201021120011212 has 12 divisors (see below), whose sum is σ = 351787082330376. Its totient is φ = 100510525059680.

The previous prime is 201021120011209. The next prime is 201021120011267. The reversal of 201021120011212 is 212110021120102.

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, 7600863 + ... + 21443305.

It is an arithmetic number, because the mean of its divisors is an integer number (29315590194198).

Almost surely, 2^{201021120011212} is an apocalyptic number.

It is an amenable number.

201021120011212 is a deficient number, since it is larger than the sum of its proper divisors (150765962319164).

201021120011212 is a wasteful number, since it uses less digits than its factorization.

201021120011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17472968 (or 17472966 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201021120011212 its reverse (212110021120102), we get a palindrome (413131141131314).

The spelling of 201021120011212 in words is "two hundred one trillion, twenty-one billion, one hundred twenty million, eleven thousand, two hundred twelve".