12453666344522 has 8 divisors (see below), whose sum is σ = 20117461018116. Its totient is φ = 5747846005152.

The previous prime is 12453666344489. The next prime is 12453666344549. The reversal of 12453666344522 is 22544366635421.

It can be written as a sum of positive squares in 2 ways, for example, as 9403477447081 + 3050188897441 = 3066509^2 + 1746479^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239493583523 + ... + 239493583574.

Almost surely, 2^{12453666344522} is an apocalyptic number.

12453666344522 is a deficient number, since it is larger than the sum of its proper divisors (7663794673594).

12453666344522 is a wasteful number, since it uses less digits than its factorization.

12453666344522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478987167112.

The product of its digits is 24883200, while the sum is 53.

The spelling of 12453666344522 in words is "twelve trillion, four hundred fifty-three billion, six hundred sixty-six million, three hundred forty-four thousand, five hundred twenty-two".