12878573568 has 312 divisors, whose sum is σ = 40630374288. Its totient is φ = 3616800768.

The previous prime is 12878573551. The next prime is 12878573579. The reversal of 12878573568 is 86537587821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43954030 + ... + 43954322.

Almost surely, 2^12878573568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12878573568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20315187144).

12878573568 is an abundant number, since it is smaller than the sum of its proper divisors (27751800720).

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

12878573568 is an equidigital number, since it uses as much as digits as its factorization.

12878573568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 378 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 60.

The spelling of 12878573568 in words is "twelve billion, eight hundred seventy-eight million, five hundred seventy-three thousand, five hundred sixty-eight".