12326608772 has 24 divisors (see below), whose sum is σ = 22009843800. Its totient is φ = 6038413056.

The previous prime is 12326608769. The next prime is 12326608787. The reversal of 12326608772 is 27780662321.

It can be written as a sum of positive squares in 4 ways, for example, as 3885776896 + 8440831876 = 62336^2 + 91874^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 109304 + ... + 191312.

It is an arithmetic number, because the mean of its divisors is an integer number (917076825).

Almost surely, 2^12326608772 is an apocalyptic number.

It is an amenable number.

12326608772 is a deficient number, since it is larger than the sum of its proper divisors (9683235028).

12326608772 is a wasteful number, since it uses less digits than its factorization.

12326608772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82775 (or 82773 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 12326608772 in words is "twelve billion, three hundred twenty-six million, six hundred eight thousand, seven hundred seventy-two".