12185112973 has 24 divisors (see below), whose sum is σ = 13504458240. Its totient is φ = 10986043200.

The previous prime is 12185112971. The next prime is 12185112977. The reversal of 12185112973 is 37921158121.

It is not a de Polignac number, because 12185112973 - 2¹ = 12185112971 is a prime.

It is a super-3 number, since 3×12185112973³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12185112971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10792273 + ... + 10793401.

It is an arithmetic number, because the mean of its divisors is an integer number (562685760).

Almost surely, 2^12185112973 is an apocalyptic number.

It is an amenable number.

12185112973 is a deficient number, since it is larger than the sum of its proper divisors (1319345267).

12185112973 is a wasteful number, since it uses less digits than its factorization.

12185112973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1798 counting only the distinct ones).

The product of its digits is 30240, while the sum is 40.

The spelling of 12185112973 in words is "twelve billion, one hundred eighty-five million, one hundred twelve thousand, nine hundred seventy-three".