12004111500 has 48 divisors (see below), whose sum is σ = 34955977056. Its totient is φ = 3201096000.

The previous prime is 12004111429. The next prime is 12004111523. The reversal of 12004111500 is 511140021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12004111500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3999871 + ... + 4002870.

It is an arithmetic number, because the mean of its divisors is an integer number (728249522).

Almost surely, 2^12004111500 is an apocalyptic number.

12004111500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12004111500 is an abundant number, since it is smaller than the sum of its proper divisors (22951865556).

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

12004111500 is a wasteful number, since it uses less digits than its factorization.

12004111500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002763 (or 8002751 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 12004111500 its reverse (511140021), we get a palindrome (12515251521).

The spelling of 12004111500 in words is "twelve billion, four million, one hundred eleven thousand, five hundred".