12508569280 has 224 divisors, whose sum is σ = 31800637440. Its totient is φ = 4679700480.

The previous prime is 12508569163. The next prime is 12508569289. The reversal of 12508569280 is 8296580521.

It is a self number, because there is not a number n which added to its sum of digits gives 12508569280.

It is not an unprimeable number, because it can be changed into a prime (12508569289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40220325 + ... + 40220635.

Almost surely, 2^12508569280 is an apocalyptic number.

12508569280 is a gapful number since it is divisible by the number (10) 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 12508569280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15900318720).

12508569280 is an abundant number, since it is smaller than the sum of its proper divisors (19292068160).

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

12508569280 is a wasteful number, since it uses less digits than its factorization.

12508569280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 12508569280 in words is "twelve billion, five hundred eight million, five hundred sixty-nine thousand, two hundred eighty".