12066003312 has 80 divisors (see below), whose sum is σ = 34232630400. Its totient is φ = 3631801600.

The previous prime is 12066003259. The next prime is 12066003331. The reversal of 12066003312 is 21330066021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 1987 + ... + 155357.

It is an arithmetic number, because the mean of its divisors is an integer number (427907880).

Almost surely, 2^12066003312 is an apocalyptic number.

12066003312 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 12066003312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17116315200).

12066003312 is an abundant number, since it is smaller than the sum of its proper divisors (22166627088).

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

12066003312 is a wasteful number, since it uses less digits than its factorization.

12066003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153542 (or 153536 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12066003312 its reverse (21330066021), we get a palindrome (33396069333).

The spelling of 12066003312 in words is "twelve billion, sixty-six million, three thousand, three hundred twelve".