12118493839 has 8 divisors (see below), whose sum is σ = 12169076240. Its totient is φ = 12067966656.

The previous prime is 12118493837. The next prime is 12118493879. The reversal of 12118493839 is 93839481121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12118493839 - 2¹ = 12118493837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12118493792 and 12118493801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118493837) 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, 459499 + ... + 485155.

It is an arithmetic number, because the mean of its divisors is an integer number (1521134530).

Almost surely, 2^12118493839 is an apocalyptic number.

12118493839 is a deficient number, since it is larger than the sum of its proper divisors (50582401).

12118493839 is a wasteful number, since it uses less digits than its factorization.

12118493839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27609.

The product of its digits is 373248, while the sum is 49.

The spelling of 12118493839 in words is "twelve billion, one hundred eighteen million, four hundred ninety-three thousand, eight hundred thirty-nine".