12468145569 has 16 divisors (see below), whose sum is σ = 18432790464. Its totient is φ = 7432574400.

The previous prime is 12468145531. The next prime is 12468145577. The reversal of 12468145569 is 96554186421.

12468145569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12468145569 - 2¹¹ = 12468143521 is a prime.

It is a super-2 number, since 2×12468145569² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12468145589) 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, 3094894 + ... + 3098919.

It is an arithmetic number, because the mean of its divisors is an integer number (1152049404).

Almost surely, 2^12468145569 is an apocalyptic number.

It is an amenable number.

12468145569 is a deficient number, since it is larger than the sum of its proper divisors (5964644895).

12468145569 is a wasteful number, since it uses less digits than its factorization.

12468145569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193888.

The product of its digits is 2073600, while the sum is 51.

The spelling of 12468145569 in words is "twelve billion, four hundred sixty-eight million, one hundred forty-five thousand, five hundred sixty-nine".