12144007500 has 120 divisors (see below), whose sum is σ = 35555268672. Its totient is φ = 3225000000.

The previous prime is 12144007471. The next prime is 12144007507. The reversal of 12144007500 is 570044121.

It is not an unprimeable number, because it can be changed into a prime (12144007507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1879275 + ... + 1885725.

Almost surely, 2^12144007500 is an apocalyptic number.

12144007500 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 12144007500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17777634336).

12144007500 is an abundant number, since it is smaller than the sum of its proper divisors (23411261172).

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

12144007500 is a wasteful number, since it uses less digits than its factorization.

12144007500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729 (or 6712 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The spelling of 12144007500 in words is "twelve billion, one hundred forty-four million, seven thousand, five hundred".