12118143049 has 4 divisors (see below), whose sum is σ = 12124420560. Its totient is φ = 12111865540.

The previous prime is 12118143013. The next prime is 12118143061. The reversal of 12118143049 is 94034181121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12118143049 - 2¹¹ = 12118141001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12118143449) by changing a digit.

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, 3135859 + ... + 3139720.

It is an arithmetic number, because the mean of its divisors is an integer number (3031105140).

Almost surely, 2^12118143049 is an apocalyptic number.

It is an amenable number.

12118143049 is a deficient number, since it is larger than the sum of its proper divisors (6277511).

12118143049 is an equidigital number, since it uses as much as digits as its factorization.

12118143049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277510.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 12118143049 in words is "twelve billion, one hundred eighteen million, one hundred forty-three thousand, forty-nine".