12284654258 has 18 divisors (see below), whose sum is σ = 18572242167. Its totient is φ = 6094284480.

The previous prime is 12284654191. The next prime is 12284654293. The reversal of 12284654258 is 85245648221.

12284654258 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 1356669889 + 10927984369 = 36833^2 + 104537^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78373.

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, 28370810 + ... + 28371242.

Almost surely, 2^12284654258 is an apocalyptic number.

12284654258 is a deficient number, since it is larger than the sum of its proper divisors (6287587909).

12284654258 is an frugal number, since it uses more digits than its factorization.

12284654258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 616 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 47.

The spelling of 12284654258 in words is "twelve billion, two hundred eighty-four million, six hundred fifty-four thousand, two hundred fifty-eight".