12312310232320 has 72 divisors (see below), whose sum is σ = 33704949285504. Its totient is φ = 4221363505152.

The previous prime is 12312310232317. The next prime is 12312310232363. The reversal of 12312310232320 is 2323201321321.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 687061924 + ... + 687079843.

It is an arithmetic number, because the mean of its divisors is an integer number (468124295632).

Almost surely, 2^{12312310232320} is an apocalyptic number.

12312310232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312310232320 is an abundant number, since it is smaller than the sum of its proper divisors (21392639053184).

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

12312310232320 is an equidigital number, since it uses as much as digits as its factorization.

12312310232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374141795 (or 1374141781 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12312310232320 its reverse (2323201321321), we get a palindrome (14635511553641).

The spelling of 12312310232320 in words is "twelve trillion, three hundred twelve billion, three hundred ten million, two hundred thirty-two thousand, three hundred twenty".