212273217682 has 16 divisors (see below), whose sum is σ = 332350761600. Its totient is φ = 101492325792.

The previous prime is 212273217649. The next prime is 212273217697. The reversal of 212273217682 is 286712372212.

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, 514182 + ... + 830017.

It is an arithmetic number, because the mean of its divisors is an integer number (20771922600).

Almost surely, 2^212273217682 is an apocalyptic number.

212273217682 is a deficient number, since it is larger than the sum of its proper divisors (120077543918).

212273217682 is a wasteful number, since it uses less digits than its factorization.

212273217682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347657.

The product of its digits is 225792, while the sum is 43.

Adding to 212273217682 its reverse (286712372212), we get a palindrome (498985589894).

The spelling of 212273217682 in words is "two hundred twelve billion, two hundred seventy-three million, two hundred seventeen thousand, six hundred eighty-two".