512123124021293 has 8 divisors (see below), whose sum is σ = 525982332158328. Its totient is φ = 498264865496064.

The previous prime is 512123124021247. The next prime is 512123124021323. The reversal of 512123124021293 is 392120421321215.

It can be written as a sum of positive squares in 4 ways, for example, as 95581066774249 + 416542057247044 = 9776557^2 + 20409362^2 .

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 512123124021293 - 2²⁸ = 512122855585837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512123124024293) 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, 236309696 + ... + 238467017.

It is an arithmetic number, because the mean of its divisors is an integer number (65747791519791).

Almost surely, 2^{512123124021293} is an apocalyptic number.

It is an amenable number.

512123124021293 is a deficient number, since it is larger than the sum of its proper divisors (13859208137035).

512123124021293 is a wasteful number, since it uses less digits than its factorization.

512123124021293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474805903.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 512123124021293 in words is "five hundred twelve trillion, one hundred twenty-three billion, one hundred twenty-four million, twenty-one thousand, two hundred ninety-three".