12269328289 has 9 divisors (see below), whose sum is σ = 12345899251. Its totient is φ = 12193231360.

The previous prime is 12269328271. The next prime is 12269328319. The reversal of 12269328289 is 98282396221.

The square root of 12269328289 is 110767.

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

It can be written as a sum of positive squares in only one way, i.e., 12079109025 + 190219264 = 109905^2 + 13792^2 .

It is not a de Polignac number, because 12269328289 - 2⁷ = 12269328161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12269328229) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 28466904 + ... + 28467334.

Almost surely, 2^12269328289 is an apocalyptic number.

12269328289 is the 110767-th square number.

12269328289 is the 55384-th centered octagonal number.

It is an amenable number.

12269328289 is a deficient number, since it is larger than the sum of its proper divisors (76570962).

12269328289 is an frugal number, since it uses more digits than its factorization.

12269328289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 688 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The spelling of 12269328289 in words is "twelve billion, two hundred sixty-nine million, three hundred twenty-eight thousand, two hundred eighty-nine".