300144003221421 has 12 divisors (see below), whose sum is σ = 433932267972060. Its totient is φ = 199915572923520.

The previous prime is 300144003221407. The next prime is 300144003221441. The reversal of 300144003221421 is 124122300441003.

300144003221421 is a `hidden beast` number, since 3 + 0 + 0 + 1 + 440 + 0 + 3 + 2 + 214 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19749447081225 + 280394556140196 = 4444035^2 + 16744986^2 .

It is not a de Polignac number, because 300144003221421 - 2²³ = 300143994832813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300144003221401) 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, 15035758140 + ... + 15035778101.

It is an arithmetic number, because the mean of its divisors is an integer number (36161022331005).

Almost surely, 2^{300144003221421} is an apocalyptic number.

It is an amenable number.

300144003221421 is a deficient number, since it is larger than the sum of its proper divisors (133788264750639).

300144003221421 is a wasteful number, since it uses less digits than its factorization.

300144003221421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30071537356 (or 30071537353 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 300144003221421 its reverse (124122300441003), we get a palindrome (424266303662424).

The spelling of 300144003221421 in words is "three hundred trillion, one hundred forty-four billion, three million, two hundred twenty-one thousand, four hundred twenty-one".