12385278322672 has 80 divisors (see below), whose sum is σ = 24696556640640. Its totient is φ = 6014924697600.

The previous prime is 12385278322667. The next prime is 12385278322699. The reversal of 12385278322672 is 27622387258321.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 29680854 + ... + 30095242.

It is an arithmetic number, because the mean of its divisors is an integer number (308706958008).

Almost surely, 2^{12385278322672} is an apocalyptic number.

It is an amenable number.

12385278322672 is a deficient number, since it is larger than the sum of its proper divisors (12311278317968).

12385278322672 is a wasteful number, since it uses less digits than its factorization.

12385278322672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414842 (or 414836 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 58.

The spelling of 12385278322672 in words is "twelve trillion, three hundred eighty-five billion, two hundred seventy-eight million, three hundred twenty-two thousand, six hundred seventy-two".