323212221210205 has 8 divisors (see below), whose sum is σ = 387865478755800. Its totient is φ = 258562568099136.

The previous prime is 323212221210191. The next prime is 323212221210269. The reversal of 323212221210205 is 502012122212323.

It can be written as a sum of positive squares in 4 ways, for example, as 170782529687641 + 152429691522564 = 13068379^2 + 12346242^2 .

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 323212221210205 - 2¹¹ = 323212221208157 is a prime.

It is a super-2 number, since 2×323212221210205² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 900911350 + ... + 901270039.

It is an arithmetic number, because the mean of its divisors is an integer number (48483184844475).

Almost surely, 2^{323212221210205} is an apocalyptic number.

It is an amenable number.

323212221210205 is a deficient number, since it is larger than the sum of its proper divisors (64653257545595).

323212221210205 is a wasteful number, since it uses less digits than its factorization.

323212221210205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802217263.

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

Adding to 323212221210205 its reverse (502012122212323), we get a palindrome (825224343422528).

The spelling of 323212221210205 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twenty-one million, two hundred ten thousand, two hundred five".