12320331300000 has 216 divisors, whose sum is σ = 43792127991612. Its totient is φ = 3285421440000.

The previous prime is 12320331299993. The next prime is 12320331300001. The reversal of 12320331300000 is 313302321.

12320331300000 is a `hidden beast` number, since 1 + 2 + 32 + 0 + 331 + 300 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3803482863504 + 8516848436496 = 1950252^2 + 2918364^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12320331300001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5944629 + ... + 7744628.

Almost surely, 2^{12320331300000} is an apocalyptic number.

12320331300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320331300000 is an abundant number, since it is smaller than the sum of its proper divisors (31471796691612).

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

12320331300000 is an equidigital number, since it uses as much as digits as its factorization.

12320331300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689298 (or 13689267 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12320331300000 its reverse (313302321), we get a palindrome (12320644602321).

The spelling of 12320331300000 in words is "twelve trillion, three hundred twenty billion, three hundred thirty-one million, three hundred thousand".