12947373628308 has 84 divisors (see below), whose sum is σ = 38824360488480. Its totient is φ = 3699249602256.

The previous prime is 12947373628279. The next prime is 12947373628309. The reversal of 12947373628308 is 80382637374921.

12947373628308 is a `hidden beast` number, since 1 + 2 + 9 + 473 + 73 + 62 + 8 + 30 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12947373628309) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 317130618 + ... + 317171441.

It is an arithmetic number, because the mean of its divisors is an integer number (462194767720).

Almost surely, 2^{12947373628308} is an apocalyptic number.

12947373628308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12947373628308 is an abundant number, since it is smaller than the sum of its proper divisors (25876986860172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12947373628308 is an equidigital number, since it uses as much as digits as its factorization.

12947373628308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634302088 (or 634302071 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 12947373628308 in words is "twelve trillion, nine hundred forty-seven billion, three hundred seventy-three million, six hundred twenty-eight thousand, three hundred eight".