323212231221 has 8 divisors (see below), whose sum is σ = 470126881824. Its totient is φ = 195886200720.

The previous prime is 323212231211. The next prime is 323212231241. The reversal of 323212231221 is 122132212323.

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

It is not a de Polignac number, because 323212231221 - 2¹³ = 323212223029 is a prime.

It is a super-2 number, since 2×323212231221² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323212231191 and 323212231200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212231211) 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, 4897154986 + ... + 4897155051.

It is an arithmetic number, because the mean of its divisors is an integer number (58765860228).

Almost surely, 2^323212231221 is an apocalyptic number.

It is an amenable number.

323212231221 is a deficient number, since it is larger than the sum of its proper divisors (146914650603).

323212231221 is a wasteful number, since it uses less digits than its factorization.

323212231221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9794310051.

The product of its digits is 1728, while the sum is 24.

Adding to 323212231221 its reverse (122132212323), we get a palindrome (445344443544).

The spelling of 323212231221 in words is "three hundred twenty-three billion, two hundred twelve million, two hundred thirty-one thousand, two hundred twenty-one".