201212012210 has 16 divisors (see below), whose sum is σ = 395107224192. Its totient is φ = 73168004400.

The previous prime is 201212012149. The next prime is 201212012269. The reversal of 201212012210 is 12210212102.

It is a Curzon number.

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, 914599946 + ... + 914600165.

It is an arithmetic number, because the mean of its divisors is an integer number (24694201512).

Almost surely, 2^201212012210 is an apocalyptic number.

201212012210 is a deficient number, since it is larger than the sum of its proper divisors (193895211982).

201212012210 is a wasteful number, since it uses less digits than its factorization.

201212012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829200129.

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

Adding to 201212012210 its reverse (12210212102), we get a palindrome (213422224312).

The spelling of 201212012210 in words is "two hundred one billion, two hundred twelve million, twelve thousand, two hundred ten".