12642473267434 has 8 divisors (see below), whose sum is σ = 19788219027360. Its totient is φ = 6046400258316.

The previous prime is 12642473267399. The next prime is 12642473267449. The reversal of 12642473267434 is 43476237424621.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137418187644 + ... + 137418187735.

It is an arithmetic number, because the mean of its divisors is an integer number (2473527378420).

Almost surely, 2^{12642473267434} is an apocalyptic number.

12642473267434 is a deficient number, since it is larger than the sum of its proper divisors (7145745759926).

12642473267434 is a wasteful number, since it uses less digits than its factorization.

12642473267434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274836375404.

The product of its digits is 32514048, while the sum is 55.

The spelling of 12642473267434 in words is "twelve trillion, six hundred forty-two billion, four hundred seventy-three million, two hundred sixty-seven thousand, four hundred thirty-four".