212311220741 has 8 divisors (see below), whose sum is σ = 212517654720. Its totient is φ = 212104888128.

The previous prime is 212311220713. The next prime is 212311220747. The reversal of 212311220741 is 147022113212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212311220741 - 2⁶ = 212311220677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212311220741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212311220747) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4559720 + ... + 4606046.

It is an arithmetic number, because the mean of its divisors is an integer number (26564706840).

Almost surely, 2^212311220741 is an apocalyptic number.

It is an amenable number.

212311220741 is a deficient number, since it is larger than the sum of its proper divisors (206433979).

212311220741 is a wasteful number, since it uses less digits than its factorization.

212311220741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50683.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 212311220741 its reverse (147022113212), we get a palindrome (359333333953).

The spelling of 212311220741 in words is "two hundred twelve billion, three hundred eleven million, two hundred twenty thousand, seven hundred forty-one".