12118101187 has 2 divisors, whose sum is σ = 12118101188. Its totient is φ = 12118101186.

The previous prime is 12118101161. The next prime is 12118101209. The reversal of 12118101187 is 78110181121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12118101187 - 2¹⁹ = 12117576899 is a prime.

It is not a weakly prime, because it can be changed into another prime (12118101157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059050593 + 6059050594.

It is an arithmetic number, because the mean of its divisors is an integer number (6059050594).

Almost surely, 2^12118101187 is an apocalyptic number.

12118101187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12118101187 is an equidigital number, since it uses as much as digits as its factorization.

12118101187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 31.

The spelling of 12118101187 in words is "twelve billion, one hundred eighteen million, one hundred one thousand, one hundred eighty-seven".