12320887245 has 32 divisors (see below), whose sum is σ = 20211980544. Its totient is φ = 6405235200.

The previous prime is 12320887237. The next prime is 12320887259. The reversal of 12320887245 is 54278802321.

It is not a de Polignac number, because 12320887245 - 2³ = 12320887237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12320887197 and 12320887206.

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 31 ways as a sum of consecutive naturals, for example, 743955 + ... + 760335.

It is an arithmetic number, because the mean of its divisors is an integer number (631624392).

Almost surely, 2^12320887245 is an apocalyptic number.

12320887245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12320887245 is a deficient number, since it is larger than the sum of its proper divisors (7891093299).

12320887245 is a wasteful number, since it uses less digits than its factorization.

12320887245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17653.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 12320887245 in words is "twelve billion, three hundred twenty million, eight hundred eighty-seven thousand, two hundred forty-five".