212013202216 has 32 divisors (see below), whose sum is σ = 401537906280. Its totient is φ = 104936832000.

The previous prime is 212013202201. The next prime is 212013202217. The reversal of 212013202216 is 612202310212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 207161522500 + 4851679716 = 455150^2 + 69654^2 .

It is not an unprimeable number, because it can be changed into a prime (212013202217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4729540 + ... + 4774156.

Almost surely, 2^212013202216 is an apocalyptic number.

It is an amenable number.

212013202216 is a deficient number, since it is larger than the sum of its proper divisors (189524704064).

212013202216 is a wasteful number, since it uses less digits than its factorization.

212013202216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605 (or 50601 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212013202216 its reverse (612202310212), we get a palindrome (824215512428).

The spelling of 212013202216 in words is "two hundred twelve billion, thirteen million, two hundred two thousand, two hundred sixteen".