12081026880 has 1344 divisors, whose sum is σ = 53121519360. Its totient is φ = 2579890176.

The previous prime is 12081026879. The next prime is 12081026891. The reversal of 12081026880 is 8862018021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 326514222 + ... + 326514258.

It is an arithmetic number, because the mean of its divisors is an integer number (39524940).

Almost surely, 2^12081026880 is an apocalyptic number.

12081026880 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 12081026880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26560759680).

12081026880 is an abundant number, since it is smaller than the sum of its proper divisors (41040492480).

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

12081026880 is a wasteful number, since it uses less digits than its factorization.

12081026880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 12081026880 in words is "twelve billion, eighty-one million, twenty-six thousand, eight hundred eighty".