212130082266 has 16 divisors (see below), whose sum is σ = 424338520800. Its totient is φ = 70696968048.

The previous prime is 212130082207. The next prime is 212130082271. The reversal of 212130082266 is 662280031212.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3229621 + ... + 3294648.

It is an arithmetic number, because the mean of its divisors is an integer number (26521157550).

Almost surely, 2^212130082266 is an apocalyptic number.

212130082266 is an abundant number, since it is smaller than the sum of its proper divisors (212208438534).

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

212130082266 is a wasteful number, since it uses less digits than its factorization.

212130082266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529693.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 212130082266 in words is "two hundred twelve billion, one hundred thirty million, eighty-two thousand, two hundred sixty-six".