12276618585 has 32 divisors (see below), whose sum is σ = 24489464832. Its totient is φ = 5101970880.

The previous prime is 12276618569. The next prime is 12276618587. The reversal of 12276618585 is 58581667221.

It is not a de Polignac number, because 12276618585 - 2⁴ = 12276618569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12276618587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5313399 + ... + 5315708.

It is an arithmetic number, because the mean of its divisors is an integer number (765295776).

Almost surely, 2^12276618585 is an apocalyptic number.

12276618585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12276618585 is a deficient number, since it is larger than the sum of its proper divisors (12212846247).

12276618585 is a wasteful number, since it uses less digits than its factorization.

12276618585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10629133.

The product of its digits is 1612800, while the sum is 51.

The spelling of 12276618585 in words is "twelve billion, two hundred seventy-six million, six hundred eighteen thousand, five hundred eighty-five".