12117282475 has 24 divisors (see below), whose sum is σ = 15644311200. Its totient is φ = 9302304000.

The previous prime is 12117282467. The next prime is 12117282479. The reversal of 12117282475 is 57428271121.

It is not a de Polignac number, because 12117282475 - 2³ = 12117282467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12117282479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34375 + ... + 159424.

It is an arithmetic number, because the mean of its divisors is an integer number (651846300).

Almost surely, 2^12117282475 is an apocalyptic number.

12117282475 is a deficient number, since it is larger than the sum of its proper divisors (3527028725).

12117282475 is a wasteful number, since it uses less digits than its factorization.

12117282475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193911 (or 193906 counting only the distinct ones).

The product of its digits is 62720, while the sum is 40.

The spelling of 12117282475 in words is "twelve billion, one hundred seventeen million, two hundred eighty-two thousand, four hundred seventy-five".