12645504282742 has 8 divisors (see below), whose sum is σ = 19019109659616. Its totient is φ = 6305801062872.

The previous prime is 12645504282727. The next prime is 12645504282757. The reversal of 12645504282742 is 24728240554621.

It is an interprime number because it is at equal distance from previous prime (12645504282727) and next prime (12645504282757).

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

It is a self number, because there is not a number n which added to its sum of digits gives 12645504282742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8475538318 + ... + 8475539809.

It is an arithmetic number, because the mean of its divisors is an integer number (2377388707452).

Almost surely, 2^{12645504282742} is an apocalyptic number.

12645504282742 is a deficient number, since it is larger than the sum of its proper divisors (6373605376874).

12645504282742 is a wasteful number, since it uses less digits than its factorization.

12645504282742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16951078502.

The product of its (nonzero) digits is 8601600, while the sum is 52.

The spelling of 12645504282742 in words is "twelve trillion, six hundred forty-five billion, five hundred four million, two hundred eighty-two thousand, seven hundred forty-two".