120243121300205 has 8 divisors (see below), whose sum is σ = 152779495299192. Its totient is φ = 90535997214208.

The previous prime is 120243121300199. The next prime is 120243121300207. The reversal of 120243121300205 is 502003121342021.

It can be written as a sum of positive squares in 4 ways, for example, as 7444150189609 + 112798971110596 = 2728397^2 + 10620686^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120243121300205 - 2¹⁰ = 120243121299181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120243121300207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707312478152 + ... + 707312478321.

It is an arithmetic number, because the mean of its divisors is an integer number (19097436912399).

Almost surely, 2^{120243121300205} is an apocalyptic number.

It is an amenable number.

120243121300205 is a deficient number, since it is larger than the sum of its proper divisors (32536373998987).

120243121300205 is a wasteful number, since it uses less digits than its factorization.

120243121300205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414624956495.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 120243121300205 its reverse (502003121342021), we get a palindrome (622246242642226).

The spelling of 120243121300205 in words is "one hundred twenty trillion, two hundred forty-three billion, one hundred twenty-one million, three hundred thousand, two hundred five".