12878548992 has 364 divisors, whose sum is σ = 40824599280. Its totient is φ = 4048994304.

The previous prime is 12878548957. The next prime is 12878549069. The reversal of 12878548992 is 29984587821.

12878548992 is a `hidden beast` number, since 1 + 2 + 87 + 8 + 548 + 9 + 9 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

Its product of digits (23224320) is a multiple of the sum of its prime factors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 56733583 + ... + 56733809.

Almost surely, 2^12878548992 is an apocalyptic number.

12878548992 is a gapful number since it is divisible by the number (12) 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 12878548992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20412299640).

12878548992 is an abundant number, since it is smaller than the sum of its proper divisors (27946050288).

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

12878548992 is an frugal number, since it uses more digits than its factorization.

12878548992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 251 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The spelling of 12878548992 in words is "twelve billion, eight hundred seventy-eight million, five hundred forty-eight thousand, nine hundred ninety-two".