12285539558280 has 384 divisors, whose sum is σ = 41624803584000. Its totient is φ = 3258922574592.

The previous prime is 12285539558273. The next prime is 12285539558309. The reversal of 12285539558280 is 8285593558221.

12285539558280 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 5 + 53 + 9 + 558 + 28 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4551884371 + ... + 4551887069.

It is an arithmetic number, because the mean of its divisors is an integer number (108397926000).

Almost surely, 2^{12285539558280} is an apocalyptic number.

12285539558280 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 12285539558280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20812401792000).

12285539558280 is an abundant number, since it is smaller than the sum of its proper divisors (29339264025720).

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

12285539558280 is a wasteful number, since it uses less digits than its factorization.

12285539558280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015 (or 4999 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 63.

The spelling of 12285539558280 in words is "twelve trillion, two hundred eighty-five billion, five hundred thirty-nine million, five hundred fifty-eight thousand, two hundred eighty".