12323112121320 has 512 divisors, whose sum is σ = 50978713927680. Its totient is φ = 2299789946880.

The previous prime is 12323112121289. The next prime is 12323112121409. The reversal of 12323112121320 is 2312121132321.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3058089 + ... + 5830791.

It is an arithmetic number, because the mean of its divisors is an integer number (99567800640).

Almost surely, 2^{12323112121320} is an apocalyptic number.

12323112121320 is a gapful number since it is divisible by the number (10) 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 12323112121320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25489356963840).

12323112121320 is an abundant number, since it is smaller than the sum of its proper divisors (38655601806360).

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

12323112121320 is a wasteful number, since it uses less digits than its factorization.

12323112121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772785 (or 2772781 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12323112121320 its reverse (2312121132321), we get a palindrome (14635233253641).

The spelling of 12323112121320 in words is "twelve trillion, three hundred twenty-three billion, one hundred twelve million, one hundred twenty-one thousand, three hundred twenty".