12246361573442 has 8 divisors (see below), whose sum is σ = 18716137499196. Its totient is φ = 6007649073712.

The previous prime is 12246361573441. The next prime is 12246361573483. The reversal of 12246361573442 is 24437516364221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11138712675841 + 1107648897601 = 3337471^2 + 1052449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12246361573441) 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 3 ways as a sum of consecutive naturals, for example, 57765856373 + ... + 57765856584.

Almost surely, 2^{12246361573442} is an apocalyptic number.

12246361573442 is a deficient number, since it is larger than the sum of its proper divisors (6469775925754).

12246361573442 is a wasteful number, since it uses less digits than its factorization.

12246361573442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115531713012.

The product of its digits is 5806080, while the sum is 50.

The spelling of 12246361573442 in words is "twelve trillion, two hundred forty-six billion, three hundred sixty-one million, five hundred seventy-three thousand, four hundred forty-two".