512340121043237 has 2 divisors, whose sum is σ = 512340121043238. Its totient is φ = 512340121043236.

The previous prime is 512340121043081. The next prime is 512340121043329. The reversal of 512340121043237 is 732340121043215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490404302465476 + 21935818577761 = 22145074^2 + 4683569^2 .

It is a cyclic number.

It is not a de Polignac number, because 512340121043237 - 2³⁴ = 512322941174053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 512340121043237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512340121643237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256170060521618 + 256170060521619.

It is an arithmetic number, because the mean of its divisors is an integer number (256170060521619).

Almost surely, 2^{512340121043237} is an apocalyptic number.

It is an amenable number.

512340121043237 is a deficient number, since it is larger than the sum of its proper divisors (1).

512340121043237 is an equidigital number, since it uses as much as digits as its factorization.

512340121043237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 512340121043237 in words is "five hundred twelve trillion, three hundred forty billion, one hundred twenty-one million, forty-three thousand, two hundred thirty-seven".