12131020996 has 12 divisors (see below), whose sum is σ = 21427692048. Its totient is φ = 6008823272.

The previous prime is 12131020961. The next prime is 12131021027. The reversal of 12131020996 is 69902013121.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14171326 + ... + 14172181.

It is an arithmetic number, because the mean of its divisors is an integer number (1785641004).

Almost surely, 2^12131020996 is an apocalyptic number.

It is an amenable number.

12131020996 is a deficient number, since it is larger than the sum of its proper divisors (9296671052).

12131020996 is a wasteful number, since it uses less digits than its factorization.

12131020996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28343618 (or 28343616 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 12131020996 in words is "twelve billion, one hundred thirty-one million, twenty thousand, nine hundred ninety-six".