12589469525522 has 18 divisors (see below), whose sum is σ = 19930571525493. Its totient is φ = 5963387772384.

The previous prime is 12589469525509. The next prime is 12589469525557. The reversal of 12589469525522 is 22552596498521.

It can be written as a sum of positive squares in 2 ways, for example, as 12431343207721 + 158126317801 = 3525811^2 + 397651^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2508931.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 95273354 + ... + 95405402.

Almost surely, 2^{12589469525522} is an apocalyptic number.

12589469525522 is a deficient number, since it is larger than the sum of its proper divisors (7341101999971).

12589469525522 is an frugal number, since it uses more digits than its factorization.

12589469525522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264138 (or 132070 counting only the distinct ones).

The product of its digits is 155520000, while the sum is 65.

The spelling of 12589469525522 in words is "twelve trillion, five hundred eighty-nine billion, four hundred sixty-nine million, five hundred twenty-five thousand, five hundred twenty-two".