12642473267422 has 8 divisors (see below), whose sum is σ = 18963818401536. Its totient is φ = 6321200466912.

The previous prime is 12642473267399. The next prime is 12642473267449. The reversal of 12642473267422 is 22476237424621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12642473267422.

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, 17644318 + ... + 18346849.

It is an arithmetic number, because the mean of its divisors is an integer number (2370477300192).

Almost surely, 2^{12642473267422} is an apocalyptic number.

12642473267422 is a deficient number, since it is larger than the sum of its proper divisors (6321345134114).

12642473267422 is a wasteful number, since it uses less digits than its factorization.

12642473267422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36166802.

The product of its digits is 10838016, while the sum is 52.

The spelling of 12642473267422 in words is "twelve trillion, six hundred forty-two billion, four hundred seventy-three million, two hundred sixty-seven thousand, four hundred twenty-two".