12330231231340 has 96 divisors (see below), whose sum is σ = 28735350654528. Its totient is φ = 4406922240000.

The previous prime is 12330231231281. The next prime is 12330231231389. The reversal of 12330231231340 is 4313213203321.

It is a junction number, because it is equal to n+sod(n) for n = 12330231231299 and 12330231231308.

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, 1018900 + ... + 5069380.

It is an arithmetic number, because the mean of its divisors is an integer number (299326569318).

Almost surely, 2^{12330231231340} is an apocalyptic number.

12330231231340 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 12330231231340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14367675327264).

12330231231340 is an abundant number, since it is smaller than the sum of its proper divisors (16405119423188).

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

12330231231340 is a wasteful number, since it uses less digits than its factorization.

12330231231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050739 (or 4050737 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12330231231340 its reverse (4313213203321), we get a palindrome (16643444434661).

The spelling of 12330231231340 in words is "twelve trillion, three hundred thirty billion, two hundred thirty-one million, two hundred thirty-one thousand, three hundred forty".