144500121200 has 120 divisors (see below), whose sum is σ = 367893172080. Its totient is φ = 54445619200.

The previous prime is 144500121133. The next prime is 144500121239. The reversal of 144500121200 is 2121005441.

It is a happy number.

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

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 323687 + ... + 627513.

It is an arithmetic number, because the mean of its divisors is an integer number (3065776434).

Almost surely, 2^144500121200 is an apocalyptic number.

144500121200 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 144500121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183946586040).

144500121200 is an abundant number, since it is smaller than the sum of its proper divisors (223393050880).

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

144500121200 is a wasteful number, since it uses less digits than its factorization.

144500121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303915 (or 303904 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 144500121200 its reverse (2121005441), we get a palindrome (146621126641).

The spelling of 144500121200 in words is "one hundred forty-four billion, five hundred million, one hundred twenty-one thousand, two hundred".