12642473267475 has 96 divisors (see below), whose sum is σ = 21391428480000. Its totient is φ = 6585459978240.

The previous prime is 12642473267461. The next prime is 12642473267491. The reversal of 12642473267475 is 57476237424621.

12642473267475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12642473267475 - 2⁸ = 12642473267219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4944258897 + ... + 4944261453.

It is an arithmetic number, because the mean of its divisors is an integer number (222827380000).

Almost surely, 2^{12642473267475} is an apocalyptic number.

12642473267475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12642473267475 is a deficient number, since it is larger than the sum of its proper divisors (8748955212525).

12642473267475 is a wasteful number, since it uses less digits than its factorization.

12642473267475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989 (or 4984 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 60.

The spelling of 12642473267475 in words is "twelve trillion, six hundred forty-two billion, four hundred seventy-three million, two hundred sixty-seven thousand, four hundred seventy-five".