12144051021500 has 48 divisors (see below), whose sum is σ = 26685322993056. Its totient is φ = 4827819024000.

The previous prime is 12144051021481. The next prime is 12144051021533. The reversal of 12144051021500 is 512015044121.

It is a happy number.

12144051021500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12144051021500.

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, 74421881 + ... + 74584880.

It is an arithmetic number, because the mean of its divisors is an integer number (555944229022).

Almost surely, 2^{12144051021500} is an apocalyptic number.

12144051021500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12144051021500 is an abundant number, since it is smaller than the sum of its proper divisors (14541271971556).

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

12144051021500 is a wasteful number, since it uses less digits than its factorization.

12144051021500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149006943 (or 149006931 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 12144051021500 its reverse (512015044121), we get a palindrome (12656066065621).

The spelling of 12144051021500 in words is "twelve trillion, one hundred forty-four billion, fifty-one million, twenty-one thousand, five hundred".