12113081472 has 128 divisors (see below), whose sum is σ = 32489170560. Its totient is φ = 3998564352.

The previous prime is 12113081441. The next prime is 12113081507. The reversal of 12113081472 is 27418031121.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27974568 + ... + 27975000.

It is an arithmetic number, because the mean of its divisors is an integer number (253821645).

Almost surely, 2^12113081472 is an apocalyptic number.

12113081472 is a gapful number since it is divisible by the number (12) 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 12113081472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16244585280).

12113081472 is an abundant number, since it is smaller than the sum of its proper divisors (20376089088).

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

12113081472 is a wasteful number, since it uses less digits than its factorization.

12113081472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 12113081472 in words is "twelve billion, one hundred thirteen million, eighty-one thousand, four hundred seventy-two".