323212210321020 has 192 divisors, whose sum is σ = 964388674529280. Its totient is φ = 80598545584128.

The previous prime is 323212210320931. The next prime is 323212210321043. The reversal of 323212210321020 is 20123012212323.

It is a super-2 number, since 2×323212210321020² (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 (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3343514727 + ... + 3343611393.

It is an arithmetic number, because the mean of its divisors is an integer number (5022857679840).

Almost surely, 2^{323212210321020} is an apocalyptic number.

323212210321020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323212210321020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482194337264640).

323212210321020 is an abundant number, since it is smaller than the sum of its proper divisors (641176464208260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323212210321020 is a wasteful number, since it uses less digits than its factorization.

323212210321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117732 (or 117730 counting only the distinct ones).

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

Adding to 323212210321020 its reverse (20123012212323), we get a palindrome (343335222533343).

The spelling of 323212210321020 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred ten million, three hundred twenty-one thousand, twenty".