212204266212 has 96 divisors (see below), whose sum is σ = 519817761792. Its totient is φ = 67248328576.

The previous prime is 212204266207. The next prime is 212204266237. The reversal of 212204266212 is 212662402212.

It is a self number, because there is not a number n which added to its sum of digits gives 212204266212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42412903 + ... + 42417905.

It is an arithmetic number, because the mean of its divisors is an integer number (5414768352).

Almost surely, 2^212204266212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212204266212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259908880896).

212204266212 is an abundant number, since it is smaller than the sum of its proper divisors (307613495580).

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

212204266212 is a wasteful number, since it uses less digits than its factorization.

212204266212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937 (or 5935 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 212204266212 its reverse (212662402212), we get a palindrome (424866668424).

The spelling of 212204266212 in words is "two hundred twelve billion, two hundred four million, two hundred sixty-six thousand, two hundred twelve".