12322999430569 has 3 divisors (see below), whose sum is σ = 12323002940983. Its totient is φ = 12322995920156.

The previous prime is 12322999430471. The next prime is 12322999430579. The reversal of 12322999430569 is 96503499922321.

The square root of 12322999430569 is 3510413.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7283926265625 + 5039073164944 = 2698875^2 + 2244788^2 .

It is not a de Polignac number, because 12322999430569 - 2¹¹ = 12322999428521 is a prime.

It is a super-2 number, since 2×12322999430569² (a number of 27 digits) contains 22 as substring.

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 12322999430569.

It is not an unprimeable number, because it can be changed into a prime (12322999430579) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1755207 + ... + 5265619.

Almost surely, 2^{12322999430569} is an apocalyptic number.

12322999430569 is the 3510413-rd square number.

12322999430569 is the 1755207-th centered octagonal number.

It is an amenable number.

12322999430569 is a deficient number, since it is larger than the sum of its proper divisors (3510414).

12322999430569 is an frugal number, since it uses more digits than its factorization.

12322999430569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020826 (or 3510413 counting only the distinct ones).

The product of its (nonzero) digits is 56687040, while the sum is 64.

Multiplying 12322999430569 by its sum of digits (64), we get a square (788671963556416 = 28083304²).

The spelling of 12322999430569 in words is "twelve trillion, three hundred twenty-two billion, nine hundred ninety-nine million, four hundred thirty thousand, five hundred sixty-nine".