12118707227 has 24 divisors (see below), whose sum is σ = 14104960272. Its totient is φ = 10323814400.

The previous prime is 12118707187. The next prime is 12118707241. The reversal of 12118707227 is 72270781121.

It is a happy number.

It is not a de Polignac number, because 12118707227 - 2¹⁰ = 12118706203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12118707257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 732527 + ... + 748887.

It is an arithmetic number, because the mean of its divisors is an integer number (587706678).

Almost surely, 2^12118707227 is an apocalyptic number.

12118707227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12118707227 is a deficient number, since it is larger than the sum of its proper divisors (1986253045).

12118707227 is a wasteful number, since it uses less digits than its factorization.

12118707227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16639 (or 16622 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 38.

The spelling of 12118707227 in words is "twelve billion, one hundred eighteen million, seven hundred seven thousand, two hundred twenty-seven".