12510809673 has 16 divisors (see below), whose sum is σ = 17636401920. Its totient is φ = 7866747216.

The previous prime is 12510809671. The next prime is 12510809683. The reversal of 12510809673 is 37690801521.

It is not a de Polignac number, because 12510809673 - 2¹ = 12510809671 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12510809671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470515 + ... + 496392.

It is an arithmetic number, because the mean of its divisors is an integer number (1102275120).

Almost surely, 2^12510809673 is an apocalyptic number.

It is an amenable number.

12510809673 is a deficient number, since it is larger than the sum of its proper divisors (5125592247).

12510809673 is a wasteful number, since it uses less digits than its factorization.

12510809673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967156.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 12510809673 in words is "twelve billion, five hundred ten million, eight hundred nine thousand, six hundred seventy-three".