200211121111212 has 72 divisors (see below), whose sum is σ = 522536668093440. Its totient is φ = 64569151870560.

The previous prime is 200211121111189. The next prime is 200211121111213. The reversal of 200211121111212 is 212111121112002.

It is a happy number.

200211121111212 is a `hidden beast` number, since 20 + 0 + 211 + 1 + 211 + 11 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200211121111213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16163512 + ... + 25723167.

It is an arithmetic number, because the mean of its divisors is an integer number (7257453723520).

Almost surely, 2^{200211121111212} is an apocalyptic number.

It is an amenable number.

200211121111212 is an abundant number, since it is smaller than the sum of its proper divisors (322325546982228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200211121111212 is a wasteful number, since it uses less digits than its factorization.

200211121111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41891003 (or 41890998 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 200211121111212 its reverse (212111121112002), we get a palindrome (412322242223214).

The spelling of 200211121111212 in words is "two hundred trillion, two hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, two hundred twelve".