323212230213021 has 16 divisors (see below), whose sum is σ = 491774364289600. Its totient is φ = 209651176353744.

The previous prime is 323212230213017. The next prime is 323212230213079. The reversal of 323212230213021 is 120312032212323.

323212230213021 is a `hidden beast` number, since 3 + 2 + 3 + 212 + 230 + 213 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 323212230213021 - 2² = 323212230213017 is a prime.

It is a super-2 number, since 2×323212230213021² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212230283021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161767881991 + ... + 161767883988.

It is an arithmetic number, because the mean of its divisors is an integer number (30735897768100).

Almost surely, 2^{323212230213021} is an apocalyptic number.

It is an amenable number.

323212230213021 is a deficient number, since it is larger than the sum of its proper divisors (168562134076579).

323212230213021 is a wasteful number, since it uses less digits than its factorization.

323212230213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323535766025 (or 323535766019 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 323212230213021 its reverse (120312032212323), we get a palindrome (443524262425344).

The spelling of 323212230213021 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred thirty million, two hundred thirteen thousand, twenty-one".