12320525365 has 4 divisors (see below), whose sum is σ = 14784630444. Its totient is φ = 9856420288.

The previous prime is 12320525351. The next prime is 12320525377. The reversal of 12320525365 is 56352502321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3676360689 + 8644164676 = 60633^2 + 92974^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320525365 - 2¹¹ = 12320523317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12320525365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232052532 + ... + 1232052541.

It is an arithmetic number, because the mean of its divisors is an integer number (3696157611).

Almost surely, 2^12320525365 is an apocalyptic number.

It is an amenable number.

12320525365 is a deficient number, since it is larger than the sum of its proper divisors (2464105079).

12320525365 is an equidigital number, since it uses as much as digits as its factorization.

12320525365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464105078.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 12320525365 in words is "twelve billion, three hundred twenty million, five hundred twenty-five thousand, three hundred sixty-five".