1323120203232 has 192 divisors, whose sum is σ = 3555164245248. Its totient is φ = 430784000000.

The previous prime is 1323120203221. The next prime is 1323120203267. The reversal of 1323120203232 is 2323020213231.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 260402932 + ... + 260408012.

It is an arithmetic number, because the mean of its divisors is an integer number (18516480444).

Almost surely, 2^{1323120203232} is an apocalyptic number.

1323120203232 is a gapful number since it is divisible by the number (12) 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 1323120203232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777582122624).

1323120203232 is an abundant number, since it is smaller than the sum of its proper divisors (2232044042016).

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

1323120203232 is a wasteful number, since it uses less digits than its factorization.

1323120203232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553 (or 5545 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1323120203232 its reverse (2323020213231), we get a palindrome (3646140416463).

Subtracting 1323120203232 from its reverse (2323020213231), we obtain a palindrome (999900009999).

The spelling of 1323120203232 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred three thousand, two hundred thirty-two".