323212210121020 has 48 divisors (see below), whose sum is σ = 740463621811200. Its totient is φ = 117529517318720.

The previous prime is 323212210120909. The next prime is 323212210121063. The reversal of 323212210121020 is 20121012212323.

It is a super-2 number, since 2×323212210121020² (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 = 323212210120982 and 323212210121000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894180 + ... + 25495339.

It is an arithmetic number, because the mean of its divisors is an integer number (15426325454400).

Almost surely, 2^{323212210121020} is an apocalyptic number.

It is an amenable number.

323212210121020 is an abundant number, since it is smaller than the sum of its proper divisors (417251411690180).

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

323212210121020 is a wasteful number, since it uses less digits than its factorization.

323212210121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27443178 (or 27443176 counting only the distinct ones).

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

Adding to 323212210121020 its reverse (20121012212323), we get a palindrome (343333222333343).

The spelling of 323212210121020 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-one thousand, twenty".