12638178062 has 8 divisors (see below), whose sum is σ = 18977898000. Its totient is φ = 6312212064.

The previous prime is 12638178061. The next prime is 12638178079. The reversal of 12638178062 is 26087183621.

12638178062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12638178061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3436187 + ... + 3439862.

It is an arithmetic number, because the mean of its divisors is an integer number (2372237250).

Almost surely, 2^12638178062 is an apocalyptic number.

12638178062 is a deficient number, since it is larger than the sum of its proper divisors (6339719938).

12638178062 is an equidigital number, since it uses as much as digits as its factorization.

12638178062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876970.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 12638178062 in words is "twelve billion, six hundred thirty-eight million, one hundred seventy-eight thousand, sixty-two".