12080016 has 120 divisors (see below), whose sum is σ = 37914240. Its totient is φ = 3701376.

The previous prime is 12079999. The next prime is 12080017. The reversal of 12080016 is 61008021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12080017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50425 + ... + 50663.

It is an arithmetic number, because the mean of its divisors is an integer number (315952).

Almost surely, 2^12080016 is an apocalyptic number.

12080016 is a gapful number since it is divisible by the number (16) 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 12080016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18957120).

12080016 is an abundant number, since it is smaller than the sum of its proper divisors (25834224).

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

12080016 is a wasteful number, since it uses less digits than its factorization.

12080016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12080016 is about 3475.6317411371. The cubic root of 12080016 is about 229.4505852857.

Adding to 12080016 its reverse (61008021), we get a palindrome (73088037).

The spelling of 12080016 in words is "twelve million, eighty thousand, sixteen".