12118431027 has 8 divisors (see below), whose sum is σ = 16184013760. Its totient is φ = 8065901160.

The previous prime is 12118431007. The next prime is 12118431047. The reversal of 12118431027 is 72013481121.

It is an interprime number because it is at equal distance from previous prime (12118431007) and next prime (12118431047).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12118431027 - 2⁶ = 12118430963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12118430985 and 12118431003.

It is not an unprimeable number, because it can be changed into a prime (12118431007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261049 + ... + 3264762.

It is an arithmetic number, because the mean of its divisors is an integer number (2023001720).

Almost surely, 2^12118431027 is an apocalyptic number.

12118431027 is a deficient number, since it is larger than the sum of its proper divisors (4065582733).

12118431027 is an equidigital number, since it uses as much as digits as its factorization.

12118431027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6526433.

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 12118431027 in words is "twelve billion, one hundred eighteen million, four hundred thirty-one thousand, twenty-seven".