12095719018 has 4 divisors (see below), whose sum is σ = 18143578530. Its totient is φ = 6047859508.

The previous prime is 12095719003. The next prime is 12095719019. The reversal of 12095719018 is 81091759021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9628908129 + 2466810889 = 98127^2 + 49667^2 .

It is not an unprimeable number, because it can be changed into a prime (12095719019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3023929753 + ... + 3023929756.

Almost surely, 2^12095719018 is an apocalyptic number.

12095719018 is a deficient number, since it is larger than the sum of its proper divisors (6047859512).

12095719018 is an equidigital number, since it uses as much as digits as its factorization.

12095719018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047859511.

The product of its (nonzero) digits is 45360, while the sum is 43.

The spelling of 12095719018 in words is "twelve billion, ninety-five million, seven hundred nineteen thousand, eighteen".