212012111112200 has 144 divisors (see below), whose sum is σ = 603585500533200. Its totient is φ = 68864084150400.

The previous prime is 212012111112157. The next prime is 212012111112251. The reversal of 212012111112200 is 2211111210212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 569126666 + ... + 569499065.

It is an arithmetic number, because the mean of its divisors is an integer number (4191565975925).

Almost surely, 2^{212012111112200} is an apocalyptic number.

212012111112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012111112200 is an abundant number, since it is smaller than the sum of its proper divisors (391573389421000).

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

212012111112200 is a wasteful number, since it uses less digits than its factorization.

212012111112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138625780 (or 1138625764 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212012111112200 its reverse (2211111210212), we get a palindrome (214223222322412).

The spelling of 212012111112200 in words is "two hundred twelve trillion, twelve billion, one hundred eleven million, one hundred twelve thousand, two hundred".