12578608674820 has 96 divisors (see below), whose sum is σ = 27810132392448. Its totient is φ = 4769747592192.

The previous prime is 12578608674817. The next prime is 12578608674839. The reversal of 12578608674820 is 2847680687521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38468457 + ... + 38794063.

It is an arithmetic number, because the mean of its divisors is an integer number (289688879088).

Almost surely, 2^{12578608674820} is an apocalyptic number.

12578608674820 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 12578608674820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13905066196224).

12578608674820 is an abundant number, since it is smaller than the sum of its proper divisors (15231523717628).

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

12578608674820 is a wasteful number, since it uses less digits than its factorization.

12578608674820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326389 (or 326387 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 64.

The spelling of 12578608674820 in words is "twelve trillion, five hundred seventy-eight billion, six hundred eight million, six hundred seventy-four thousand, eight hundred twenty".