12005031676 has 12 divisors (see below), whose sum is σ = 22918696920. Its totient is φ = 5456832560.

The previous prime is 12005031673. The next prime is 12005031683. The reversal of 12005031676 is 67613050021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005031673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136420771 + ... + 136420858.

It is an arithmetic number, because the mean of its divisors is an integer number (1909891410).

Almost surely, 2^12005031676 is an apocalyptic number.

It is an amenable number.

12005031676 is a deficient number, since it is larger than the sum of its proper divisors (10913665244).

12005031676 is a wasteful number, since it uses less digits than its factorization.

12005031676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272841644 (or 272841642 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 12005031676 its reverse (67613050021), we get a palindrome (79618081697).

The spelling of 12005031676 in words is "twelve billion, five million, thirty-one thousand, six hundred seventy-six".