12173604742 has 16 divisors (see below), whose sum is σ = 19691552160. Its totient is φ = 5611015872.

The previous prime is 12173604721. The next prime is 12173604769. The reversal of 12173604742 is 24740637121.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 295767 + ... + 334402.

It is an arithmetic number, because the mean of its divisors is an integer number (1230722010).

Almost surely, 2^12173604742 is an apocalyptic number.

12173604742 is a deficient number, since it is larger than the sum of its proper divisors (7517947418).

12173604742 is a wasteful number, since it uses less digits than its factorization.

12173604742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630927.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 12173604742 in words is "twelve billion, one hundred seventy-three million, six hundred four thousand, seven hundred forty-two".