200211212111212 has 48 divisors (see below), whose sum is σ = 355780588165632. Its totient is φ = 98561151057600.

The previous prime is 200211212111189. The next prime is 200211212111263. The reversal of 200211212111212 is 212111212112002.

It is a happy number.

It is a super-2 number, since 2×200211212111212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200211212111212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10530217818 + ... + 10530236830.

It is an arithmetic number, because the mean of its divisors is an integer number (7412095586784).

Almost surely, 2^{200211212111212} is an apocalyptic number.

It is an amenable number.

200211212111212 is a deficient number, since it is larger than the sum of its proper divisors (155569376054420).

200211212111212 is a wasteful number, since it uses less digits than its factorization.

200211212111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37078 (or 37076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 200211212111212 its reverse (212111212112002), we get a palindrome (412322424223214).

The spelling of 200211212111212 in words is "two hundred trillion, two hundred eleven billion, two hundred twelve million, one hundred eleven thousand, two hundred twelve".