12569503068 has 72 divisors (see below), whose sum is σ = 32318832000. Its totient is φ = 4118358816.

The previous prime is 12569503049. The next prime is 12569503073. The reversal of 12569503068 is 86030596521.

12569503068 is a `hidden beast` number, since 1 + 2 + 569 + 50 + 30 + 6 + 8 = 666.

It is a super-2 number, since 2×12569503068² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 584043 + ... + 605181.

Almost surely, 2^12569503068 is an apocalyptic number.

12569503068 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 12569503068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16159416000).

12569503068 is an abundant number, since it is smaller than the sum of its proper divisors (19749328932).

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

12569503068 is a wasteful number, since it uses less digits than its factorization.

12569503068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431 (or 21426 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 12569503068 in words is "twelve billion, five hundred sixty-nine million, five hundred three thousand, sixty-eight".