12278887208000 has 224 divisors, whose sum is σ = 35192680074240. Its totient is φ = 4156612761600.

The previous prime is 12278887207933. The next prime is 12278887208011. The reversal of 12278887208000 is 80278887221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

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, 3036242 + ... + 5811758.

Almost surely, 2^{12278887208000} is an apocalyptic number.

12278887208000 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 12278887208000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17596340037120).

12278887208000 is an abundant number, since it is smaller than the sum of its proper divisors (22913792866240).

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

12278887208000 is an equidigital number, since it uses as much as digits as its factorization.

12278887208000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775630 (or 2775610 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 53.

The spelling of 12278887208000 in words is "twelve trillion, two hundred seventy-eight billion, eight hundred eighty-seven million, two hundred eight thousand".