243120100052 has 24 divisors (see below), whose sum is σ = 453728177280. Its totient is φ = 113586364800.

The previous prime is 243120100039. The next prime is 243120100121. The reversal of 243120100052 is 250001021342.

243120100052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243120099997 and 243120100033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12851324 + ... + 12870227.

It is an arithmetic number, because the mean of its divisors is an integer number (18905340720).

Almost surely, 2^243120100052 is an apocalyptic number.

It is an amenable number.

243120100052 is a deficient number, since it is larger than the sum of its proper divisors (210608077228).

243120100052 is a wasteful number, since it uses less digits than its factorization.

243120100052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25721711 (or 25721709 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 243120100052 its reverse (250001021342), we get a palindrome (493121121394).

The spelling of 243120100052 in words is "two hundred forty-three billion, one hundred twenty million, one hundred thousand, fifty-two".