144021101121200 has 60 divisors (see below), whose sum is σ = 346021344819960. Its totient is φ = 57606667399680.

The previous prime is 144021101121101. The next prime is 144021101121203. The reversal of 144021101121200 is 2121101120441.

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

It is not an unprimeable number, because it can be changed into a prime (144021101121203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7510316 + ... + 18559284.

It is an arithmetic number, because the mean of its divisors is an integer number (5767022413666).

Almost surely, 2^{144021101121200} is an apocalyptic number.

144021101121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144021101121200 is an abundant number, since it is smaller than the sum of its proper divisors (202000243698760).

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

144021101121200 is a wasteful number, since it uses less digits than its factorization.

144021101121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11081574 (or 11081563 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 144021101121200 its reverse (2121101120441), we get a palindrome (146142202241641).

The spelling of 144021101121200 in words is "one hundred forty-four trillion, twenty-one billion, one hundred one million, one hundred twenty-one thousand, two hundred".