12017005000 has 480 divisors, whose sum is σ = 38590896960. Its totient is φ = 3457440000.

The previous prime is 12017004983. The next prime is 12017005037. The reversal of 12017005000 is 50071021.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 924384994 + ... + 924385006.

It is an arithmetic number, because the mean of its divisors is an integer number (80397702).

Almost surely, 2^12017005000 is an apocalyptic number.

12017005000 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 12017005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19295448480).

12017005000 is an abundant number, since it is smaller than the sum of its proper divisors (26573891960).

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

12017005000 is an frugal number, since it uses more digits than its factorization.

12017005000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

Adding to 12017005000 its reverse (50071021), we get a palindrome (12067076021).

The spelling of 12017005000 in words is "twelve billion, seventeen million, five thousand".