12081914880 has 352 divisors, whose sum is σ = 45372262656. Its totient is φ = 2686058496.

The previous prime is 12081914879. The next prime is 12081914899. The reversal of 12081914880 is 8841918021.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 3976722 + ... + 3979758.

Almost surely, 2^12081914880 is an apocalyptic number.

12081914880 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 12081914880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22686131328).

12081914880 is an abundant number, since it is smaller than the sum of its proper divisors (33290347776).

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

12081914880 is a wasteful number, since it uses less digits than its factorization.

12081914880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3091 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 42.

The spelling of 12081914880 in words is "twelve billion, eighty-one million, nine hundred fourteen thousand, eight hundred eighty".