212122102212012 has 24 divisors (see below), whose sum is σ = 510917751565312. Its totient is φ = 68426484584400.

The previous prime is 212122102211951. The next prime is 212122102212023. The reversal of 212122102212012 is 210212201221212.

It is a self number, because there is not a number n which added to its sum of digits gives 212122102212012.

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, 285110352064 + ... + 285110352807.

Almost surely, 2^{212122102212012} is an apocalyptic number.

It is an amenable number.

212122102212012 is an abundant number, since it is smaller than the sum of its proper divisors (298795649353300).

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

212122102212012 is a wasteful number, since it uses less digits than its factorization.

212122102212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570220704909 (or 570220704907 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212122102212012 its reverse (210212201221212), we get a palindrome (422334303433224).

The spelling of 212122102212012 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred two million, two hundred twelve thousand, twelve".