12303020121330 has 96 divisors (see below), whose sum is σ = 30385165474944. Its totient is φ = 3187563819264.

The previous prime is 12303020121317. The next prime is 12303020121349. The reversal of 12303020121330 is 3312102030321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12303020121297 and 12303020121306.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9205179 + ... + 10456641.

It is an arithmetic number, because the mean of its divisors is an integer number (316512140364).

Almost surely, 2^{12303020121330} is an apocalyptic number.

12303020121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12303020121330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15192582737472).

12303020121330 is an abundant number, since it is smaller than the sum of its proper divisors (18082145353614).

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

12303020121330 is a wasteful number, since it uses less digits than its factorization.

12303020121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251680 (or 1251613 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12303020121330 its reverse (3312102030321), we get a palindrome (15615122151651).

The spelling of 12303020121330 in words is "twelve trillion, three hundred three billion, twenty million, one hundred twenty-one thousand, three hundred thirty".