71321200212317 has 4 divisors (see below), whose sum is σ = 77804945686176. Its totient is φ = 64837454738460.

The previous prime is 71321200212271. The next prime is 71321200212331.

71321200212317 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71321200212317 - 2¹² = 71321200208221 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 (71321200112317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3241872736913 + ... + 3241872736934.

It is an arithmetic number, because the mean of its divisors is an integer number (19451236421544).

Almost surely, 2^{71321200212317} is an apocalyptic number.

It is an amenable number.

71321200212317 is a deficient number, since it is larger than the sum of its proper divisors (6483745473859).

71321200212317 is a wasteful number, since it uses less digits than its factorization.

71321200212317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6483745473858.

The product of its (nonzero) digits is 7056, while the sum is 32.

It can be divided in two parts, 71321200 and 212317, that added together give a palindrome (71533517).

The spelling of 71321200212317 in words is "seventy-one trillion, three hundred twenty-one billion, two hundred million, two hundred twelve thousand, three hundred seventeen".