12158195982 has 8 divisors (see below), whose sum is σ = 24316391976. Its totient is φ = 4052731992.

The previous prime is 12158195981. The next prime is 12158195993. The reversal of 12158195982 is 28959185121.

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

12158195982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12158195981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013182993 + ... + 1013183004.

It is an arithmetic number, because the mean of its divisors is an integer number (3039548997).

Almost surely, 2^12158195982 is an apocalyptic number.

12158195982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12158195982 is a wasteful number, since it uses less digits than its factorization.

12158195982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026366002.

The product of its digits is 518400, while the sum is 51.

The spelling of 12158195982 in words is "twelve billion, one hundred fifty-eight million, one hundred ninety-five thousand, nine hundred eighty-two".