212021122323 has 8 divisors (see below), whose sum is σ = 288709613568. Its totient is φ = 138340022984.

The previous prime is 212021122319. The next prime is 212021122351. The reversal of 212021122323 is 323221120212.

212021122323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212021122323 - 2² = 212021122319 is a prime.

It is a super-3 number, since 3×212021122323³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 212021122323.

It is not an unprimeable number, because it can be changed into a prime (212021122363) 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, 751847811 + ... + 751848092.

It is an arithmetic number, because the mean of its divisors is an integer number (36088701696).

Almost surely, 2^212021122323 is an apocalyptic number.

212021122323 is a deficient number, since it is larger than the sum of its proper divisors (76688491245).

212021122323 is a wasteful number, since it uses less digits than its factorization.

212021122323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503695953.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212021122323 its reverse (323221120212), we get a palindrome (535242242535).

The spelling of 212021122323 in words is "two hundred twelve billion, twenty-one million, one hundred twenty-two thousand, three hundred twenty-three".