12132811916 has 24 divisors (see below), whose sum is σ = 21641781504. Its totient is φ = 5950010880.

The previous prime is 12132811913. The next prime is 12132811937. The reversal of 12132811916 is 61911823121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12132811913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15701 + ... + 156563.

It is an arithmetic number, because the mean of its divisors is an integer number (901740896).

Almost surely, 2^12132811916 is an apocalyptic number.

It is an amenable number.

12132811916 is a deficient number, since it is larger than the sum of its proper divisors (9508969588).

12132811916 is a wasteful number, since it uses less digits than its factorization.

12132811916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141281 (or 141279 counting only the distinct ones).

The product of its digits is 5184, while the sum is 35.

The spelling of 12132811916 in words is "twelve billion, one hundred thirty-two million, eight hundred eleven thousand, nine hundred sixteen".