12118491382 has 8 divisors (see below), whose sum is σ = 18246854736. Its totient is φ = 6036206472.

The previous prime is 12118491353. The next prime is 12118491433. The reversal of 12118491382 is 28319481121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11518953 + ... + 11520004.

It is an arithmetic number, because the mean of its divisors is an integer number (2280856842).

Almost surely, 2^12118491382 is an apocalyptic number.

12118491382 is a deficient number, since it is larger than the sum of its proper divisors (6128363354).

12118491382 is a wasteful number, since it uses less digits than its factorization.

12118491382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23039222.

The product of its digits is 27648, while the sum is 40.

The spelling of 12118491382 in words is "twelve billion, one hundred eighteen million, four hundred ninety-one thousand, three hundred eighty-two".