12117349135 has 4 divisors (see below), whose sum is σ = 14540818968. Its totient is φ = 9693879304.

The previous prime is 12117349121. The next prime is 12117349177. The reversal of 12117349135 is 53194371121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12117349135 - 2⁵ = 12117349103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12117349094 and 12117349103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211734909 + ... + 1211734918.

It is an arithmetic number, because the mean of its divisors is an integer number (3635204742).

Almost surely, 2^12117349135 is an apocalyptic number.

12117349135 is a deficient number, since it is larger than the sum of its proper divisors (2423469833).

12117349135 is an equidigital number, since it uses as much as digits as its factorization.

12117349135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423469832.

The product of its digits is 22680, while the sum is 37.

The spelling of 12117349135 in words is "twelve billion, one hundred seventeen million, three hundred forty-nine thousand, one hundred thirty-five".