12080320560 has 1200 divisors, whose sum is σ = 55172468736. Its totient is φ = 2395008000.

The previous prime is 12080320537. The next prime is 12080320589. The reversal of 12080320560 is 6502308021.

12080320560 is a `hidden beast` number, since 1 + 2 + 0 + 80 + 3 + 20 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 170145325 + ... + 170145395.

Almost surely, 2^12080320560 is an apocalyptic number.

12080320560 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 12080320560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27586234368).

12080320560 is an abundant number, since it is smaller than the sum of its proper divisors (43092148176).

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

12080320560 is a wasteful number, since it uses less digits than its factorization.

12080320560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 12080320560 its reverse (6502308021), we get a palindrome (18582628581).

The spelling of 12080320560 in words is "twelve billion, eighty million, three hundred twenty thousand, five hundred sixty".