212333222106 has 48 divisors (see below), whose sum is σ = 480100405824. Its totient is φ = 67694428032.

The previous prime is 212333222099. The next prime is 212333222131. The reversal of 212333222106 is 601222333212.

212333222106 is a `hidden beast` number, since 2 + 1 + 2 + 333 + 222 + 106 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 212333222106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8328130 + ... + 8353586.

It is an arithmetic number, because the mean of its divisors is an integer number (10002091788).

Almost surely, 2^212333222106 is an apocalyptic number.

212333222106 is an abundant number, since it is smaller than the sum of its proper divisors (267767183718).

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

212333222106 is a wasteful number, since it uses less digits than its factorization.

212333222106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45635 (or 45632 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 212333222106 its reverse (601222333212), we get a palindrome (813555555318).

The spelling of 212333222106 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twenty-two thousand, one hundred six".