12885487578720 has 72 divisors (see below), whose sum is σ = 43971726367296. Its totient is φ = 3436130020608.

The previous prime is 12885487578713. The next prime is 12885487578773. The reversal of 12885487578720 is 2787578458821.

It is a happy number.

12885487578720 is a `hidden beast` number, since 1 + 2 + 8 + 8 + 5 + 48 + 7 + 578 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4474126192 + ... + 4474129071.

It is an arithmetic number, because the mean of its divisors is an integer number (610718421768).

Almost surely, 2^{12885487578720} is an apocalyptic number.

12885487578720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12885487578720 is an abundant number, since it is smaller than the sum of its proper divisors (31086238788576).

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

12885487578720 is a wasteful number, since it uses less digits than its factorization.

12885487578720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8948255284 (or 8948255273 counting only the distinct ones).

The product of its (nonzero) digits is 561971200, while the sum is 72.

The spelling of 12885487578720 in words is "twelve trillion, eight hundred eighty-five billion, four hundred eighty-seven million, five hundred seventy-eight thousand, seven hundred twenty".