12320003718 has 32 divisors (see below), whose sum is σ = 29866677120. Its totient is φ = 3733334280.

The previous prime is 12320003711. The next prime is 12320003743. The reversal of 12320003718 is 81730002321.

12320003718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12320003718² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12320003691 and 12320003700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320003711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10369780 + ... + 10370967.

It is an arithmetic number, because the mean of its divisors is an integer number (933333660).

Almost surely, 2^12320003718 is an apocalyptic number.

12320003718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12320003718 is an abundant number, since it is smaller than the sum of its proper divisors (17546673402).

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

12320003718 is a wasteful number, since it uses less digits than its factorization.

12320003718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20740769 (or 20740763 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 12320003718 in words is "twelve billion, three hundred twenty million, three thousand, seven hundred eighteen".