212102206086 has 32 divisors (see below), whose sum is σ = 449177591808. Its totient is φ = 66538908800.

The previous prime is 212102206051. The next prime is 212102206093. The reversal of 212102206086 is 680602201212.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3904411 + ... + 3958361.

It is an arithmetic number, because the mean of its divisors is an integer number (14036799744).

Almost surely, 2^212102206086 is an apocalyptic number.

212102206086 is an abundant number, since it is smaller than the sum of its proper divisors (237075385722).

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

212102206086 is a wasteful number, since it uses less digits than its factorization.

212102206086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92516.

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 212102206086 its reverse (680602201212), we get a palindrome (892704407298).

The spelling of 212102206086 in words is "two hundred twelve billion, one hundred two million, two hundred six thousand, eighty-six".