712218044287 has 4 divisors (see below), whose sum is σ = 712435784656. Its totient is φ = 712000303920.

The previous prime is 712218044273. The next prime is 712218044297. The reversal of 712218044287 is 782440812217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782440812217 = 3931 ⋅199043707.

It is a cyclic number.

It is not a de Polignac number, because 712218044287 - 2¹⁹ = 712217519999 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 (712218044267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108865278 + ... + 108871819.

It is an arithmetic number, because the mean of its divisors is an integer number (178108946164).

Almost surely, 2^712218044287 is an apocalyptic number.

712218044287 is a deficient number, since it is larger than the sum of its proper divisors (217740369).

712218044287 is a wasteful number, since it uses less digits than its factorization.

712218044287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217740368.

The product of its (nonzero) digits is 401408, while the sum is 46.

The spelling of 712218044287 in words is "seven hundred twelve billion, two hundred eighteen million, forty-four thousand, two hundred eighty-seven".