12150231500 has 192 divisors, whose sum is σ = 31715349120. Its totient is φ = 4014080000.

The previous prime is 12150231463. The next prime is 12150231559. The reversal of 12150231500 is 513205121.

It is a happy number.

12150231500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2709260 + ... + 2713740.

It is an arithmetic number, because the mean of its divisors is an integer number (165184110).

Almost surely, 2^12150231500 is an apocalyptic number.

12150231500 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 12150231500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15857674560).

12150231500 is an abundant number, since it is smaller than the sum of its proper divisors (19565117620).

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

12150231500 is a wasteful number, since it uses less digits than its factorization.

12150231500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 12150231500 its reverse (513205121), we get a palindrome (12663436621).

The spelling of 12150231500 in words is "twelve billion, one hundred fifty million, two hundred thirty-one thousand, five hundred".