1323320231112 has 64 divisors (see below), whose sum is σ = 3821352552000. Its totient is φ = 377417533440.

The previous prime is 1323320231071. The next prime is 1323320231113. The reversal of 1323320231112 is 2111320233231.

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

It is not an unprimeable number, because it can be changed into a prime (1323320231113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147424237 + ... + 147433212.

It is an arithmetic number, because the mean of its divisors is an integer number (59708633625).

Almost surely, 2^{1323320231112} is an apocalyptic number.

1323320231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323320231112 is an abundant number, since it is smaller than the sum of its proper divisors (2498032320888).

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

1323320231112 is a wasteful number, since it uses less digits than its factorization.

1323320231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294857486 (or 294857482 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1323320231112 its reverse (2111320233231), we get a palindrome (3434640464343).

The spelling of 1323320231112 in words is "one trillion, three hundred twenty-three billion, three hundred twenty million, two hundred thirty-one thousand, one hundred twelve".