12676384642 has 4 divisors (see below), whose sum is σ = 19014576966. Its totient is φ = 6338192320.

The previous prime is 12676384639. The next prime is 12676384661. The reversal of 12676384642 is 24648367621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24648367621 = 3701 ⋅6659921.

It can be written as a sum of positive squares in only one way, i.e., 9741887401 + 2934497241 = 98701^2 + 54171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169096159 + ... + 3169096162.

Almost surely, 2^12676384642 is an apocalyptic number.

12676384642 is a deficient number, since it is larger than the sum of its proper divisors (6338192324).

12676384642 is an equidigital number, since it uses as much as digits as its factorization.

12676384642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6338192323.

The product of its digits is 2322432, while the sum is 49.

The spelling of 12676384642 in words is "twelve billion, six hundred seventy-six million, three hundred eighty-four thousand, six hundred forty-two".