12566679732288 has 672 divisors, whose sum is σ = 41413635394560. Its totient is φ = 3608095518720.

The previous prime is 12566679732287. The next prime is 12566679732293. The reversal of 12566679732288 is 88223797666521.

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

It is not an unprimeable number, because it can be changed into a prime (12566679732287) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3483968181 + ... + 3483971787.

Almost surely, 2^{12566679732288} is an apocalyptic number.

12566679732288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12566679732288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20706817697280).

12566679732288 is an abundant number, since it is smaller than the sum of its proper divisors (28846955662272).

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

12566679732288 is a wasteful number, since it uses less digits than its factorization.

12566679732288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015 (or 4002 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 72.

The spelling of 12566679732288 in words is "twelve trillion, five hundred sixty-six billion, six hundred seventy-nine million, seven hundred thirty-two thousand, two hundred eighty-eight".