211200020202212 has 12 divisors (see below), whose sum is σ = 378614670362796. Its totient is φ = 103024400098560.

The previous prime is 211200020202209. The next prime is 211200020202229. The reversal of 211200020202212 is 212202020002112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40119479992036 + 171080540210176 = 6333994^2 + 13079776^2 .

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, 643902500453 + ... + 643902500780.

It is an arithmetic number, because the mean of its divisors is an integer number (31551222530233).

Almost surely, 2^{211200020202212} is an apocalyptic number.

It is an amenable number.

211200020202212 is a deficient number, since it is larger than the sum of its proper divisors (167414650160584).

211200020202212 is a wasteful number, since it uses less digits than its factorization.

211200020202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287805001278 (or 1287805001276 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211200020202212 its reverse (212202020002112), we get a palindrome (423402040204324).

The spelling of 211200020202212 in words is "two hundred eleven trillion, two hundred billion, twenty million, two hundred two thousand, two hundred twelve".