12319668036 has 81 divisors (see below), whose sum is σ = 33744856509. Its totient is φ = 3788003232.

The previous prime is 12319668013. The next prime is 12319668073. The reversal of 12319668036 is 63086691321.

The square root of 12319668036 is 110994.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1822436100 + 10497231936 = 42690^2 + 102456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12319667982 and 12319668000.

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 26 ways as a sum of consecutive naturals, for example, 8656821 + ... + 8658243.

Almost surely, 2^12319668036 is an apocalyptic number.

12319668036 is the 110994-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12319668036

12319668036 is an abundant number, since it is smaller than the sum of its proper divisors (21425188473).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12319668036 is a wasteful number, since it uses less digits than its factorization.

12319668036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 12319668036 in words is "twelve billion, three hundred nineteen million, six hundred sixty-eight thousand, thirty-six".