323212120110220 has 48 divisors (see below), whose sum is σ = 740523346617600. Its totient is φ = 117519971728320.

The previous prime is 323212120110199. The next prime is 323212120110221. The reversal of 323212120110220 is 22011021212323.

It is a super-2 number, since 2×323212120110220² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 323212120110191 and 323212120110200.

It is not an unprimeable number, because it can be changed into a prime (323212120110221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70963350 + ... + 75380509.

It is an arithmetic number, because the mean of its divisors is an integer number (15427569721200).

Almost surely, 2^{323212120110220} is an apocalyptic number.

It is an amenable number.

323212120110220 is an abundant number, since it is smaller than the sum of its proper divisors (417311226507380).

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

323212120110220 is a wasteful number, since it uses less digits than its factorization.

323212120110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146353918 (or 146353916 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 323212120110220 its reverse (22011021212323), we get a palindrome (345223141322543).

The spelling of 323212120110220 in words is "three hundred twenty-three trillion, two hundred twelve billion, one hundred twenty million, one hundred ten thousand, two hundred twenty".