212350322201221 has 8 divisors (see below), whose sum is σ = 212400712174464. Its totient is φ = 212299933917120.

The previous prime is 212350322201203. The next prime is 212350322201243. The reversal of 212350322201221 is 122102223053212.

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 212350322201221 - 2⁷ = 212350322201093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212350322201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212350322204221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271732770 + ... + 272513116.

It is an arithmetic number, because the mean of its divisors is an integer number (26550089021808).

Almost surely, 2^{212350322201221} is an apocalyptic number.

It is an amenable number.

212350322201221 is a deficient number, since it is larger than the sum of its proper divisors (50389973243).

212350322201221 is an equidigital number, since it uses as much as digits as its factorization.

212350322201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844571.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 212350322201221 its reverse (122102223053212), we get a palindrome (334452545254433).

The spelling of 212350322201221 in words is "two hundred twelve trillion, three hundred fifty billion, three hundred twenty-two million, two hundred one thousand, two hundred twenty-one".