512206661123143 has 32 divisors (see below), whose sum is σ = 646798945305600. Its totient is φ = 395220253570560.

The previous prime is 512206661123141. The next prime is 512206661123203. The reversal of 512206661123143 is 341321166602215.

It is a cyclic number.

It is not a de Polignac number, because 512206661123143 - 2¹ = 512206661123141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512206661123143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512206661123141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41938333 + ... + 52756393.

It is an arithmetic number, because the mean of its divisors is an integer number (20212467040800).

Almost surely, 2^{512206661123143} is an apocalyptic number.

512206661123143 is a deficient number, since it is larger than the sum of its proper divisors (134592284182457).

512206661123143 is a wasteful number, since it uses less digits than its factorization.

512206661123143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10835407.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 512206661123143 in words is "five hundred twelve trillion, two hundred six billion, six hundred sixty-one million, one hundred twenty-three thousand, one hundred forty-three".