243122050000 has 60 divisors (see below), whose sum is σ = 588773652012. Its totient is φ = 97248800000.

The previous prime is 243122049991. The next prime is 243122050001. The reversal of 243122050000 is 50221342.

It can be written as a sum of positive squares in 6 ways, for example, as 185702388624 + 57419661376 = 430932^2 + 239624^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243122050000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243122050001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2381221 + ... + 2481220.

Almost surely, 2^243122050000 is an apocalyptic number.

243122050000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243122050000 is an abundant number, since it is smaller than the sum of its proper divisors (345651602012).

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

243122050000 is an frugal number, since it uses more digits than its factorization.

243122050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862474 (or 4862448 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 243122050000 its reverse (50221342), we get a palindrome (243172271342).

The spelling of 243122050000 in words is "two hundred forty-three billion, one hundred twenty-two million, fifty thousand".