12116515147 has 4 divisors (see below), whose sum is σ = 13218016536. Its totient is φ = 11015013760.

The previous prime is 12116515127. The next prime is 12116515157. The reversal of 12116515147 is 74151561121.

12116515147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74151561121 = 11 ⋅6741051011.

It is a cyclic number.

It is not a de Polignac number, because 12116515147 - 2²³ = 12108126539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12116515127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550750678 + ... + 550750699.

It is an arithmetic number, because the mean of its divisors is an integer number (3304504134).

Almost surely, 2^12116515147 is an apocalyptic number.

12116515147 is a deficient number, since it is larger than the sum of its proper divisors (1101501389).

12116515147 is a wasteful number, since it uses less digits than its factorization.

12116515147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101501388.

The product of its digits is 8400, while the sum is 34.

The spelling of 12116515147 in words is "twelve billion, one hundred sixteen million, five hundred fifteen thousand, one hundred forty-seven".