12081603448682 has 4 divisors (see below), whose sum is σ = 18122405173026. Its totient is φ = 6040801724340.

The previous prime is 12081603448637. The next prime is 12081603448721. The reversal of 12081603448682 is 28684430618021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12061096922281 + 20506526401 = 3472909^2 + 143201^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3020400862169 + ... + 3020400862172.

Almost surely, 2^{12081603448682} is an apocalyptic number.

12081603448682 is a deficient number, since it is larger than the sum of its proper divisors (6040801724344).

12081603448682 is an equidigital number, since it uses as much as digits as its factorization.

12081603448682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040801724343.

The product of its (nonzero) digits is 3538944, while the sum is 53.

The spelling of 12081603448682 in words is "twelve trillion, eighty-one billion, six hundred three million, four hundred forty-eight thousand, six hundred eighty-two".