12113121302320 has 80 divisors (see below), whose sum is σ = 28508070277440. Its totient is φ = 4786119816192.

The previous prime is 12113121302297. The next prime is 12113121302357. The reversal of 12113121302320 is 2320312131121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 12113121302291 and 12113121302300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419846 + ... + 5122714.

It is an arithmetic number, because the mean of its divisors is an integer number (356350878468).

Almost surely, 2^{12113121302320} is an apocalyptic number.

12113121302320 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 12113121302320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14254035138720).

12113121302320 is an abundant number, since it is smaller than the sum of its proper divisors (16394948975120).

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

12113121302320 is a wasteful number, since it uses less digits than its factorization.

12113121302320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703382 (or 3703376 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12113121302320 its reverse (2320312131121), we get a palindrome (14433433433441).

The spelling of 12113121302320 in words is "twelve trillion, one hundred thirteen billion, one hundred twenty-one million, three hundred two thousand, three hundred twenty".