323212230200120 has 128 divisors (see below), whose sum is σ = 744918374016000. Its totient is φ = 126166149457920.

The previous prime is 323212230200099. The next prime is 323212230200143. The reversal of 323212230200120 is 21002032212323.

It is a super-2 number, since 2×323212230200120² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3688372466 + ... + 3688460094.

It is an arithmetic number, because the mean of its divisors is an integer number (5819674797000).

Almost surely, 2^{323212230200120} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323212230200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372459187008000).

323212230200120 is an abundant number, since it is smaller than the sum of its proper divisors (421706143815880).

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

323212230200120 is a wasteful number, since it uses less digits than its factorization.

323212230200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96993 (or 96989 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 323212230200120 its reverse (21002032212323), we get a palindrome (344214262412443).

The spelling of 323212230200120 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred thirty million, two hundred thousand, one hundred twenty".