12486865805228 has 24 divisors (see below), whose sum is σ = 22155622860672. Its totient is φ = 6156720779904.

The previous prime is 12486865805177. The next prime is 12486865805263. The reversal of 12486865805228 is 82250856868421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2596700 + ... + 5631747.

It is an arithmetic number, because the mean of its divisors is an integer number (923150952528).

Almost surely, 2^{12486865805228} is an apocalyptic number.

It is an amenable number.

12486865805228 is a deficient number, since it is larger than the sum of its proper divisors (9668757055444).

12486865805228 is a wasteful number, since it uses less digits than its factorization.

12486865805228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233721 (or 8233719 counting only the distinct ones).

The product of its (nonzero) digits is 117964800, while the sum is 65.

The spelling of 12486865805228 in words is "twelve trillion, four hundred eighty-six billion, eight hundred sixty-five million, eight hundred five thousand, two hundred twenty-eight".