712222222217 has 16 divisors (see below), whose sum is σ = 803817362880. Its totient is φ = 625104782400.

The previous prime is 712222222163. The next prime is 712222222249.

712222222217 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 712222222217 - 2⁸ = 712222221961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712222522217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5079818 + ... + 5218140.

It is an arithmetic number, because the mean of its divisors is an integer number (50238585180).

Almost surely, 2^712222222217 is an apocalyptic number.

It is an amenable number.

712222222217 is a deficient number, since it is larger than the sum of its proper divisors (91595140663).

712222222217 is a wasteful number, since it uses less digits than its factorization.

712222222217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154504.

The product of its digits is 12544, while the sum is 32.

It can be divided in two parts, 712222 and 222217, that added together give a palindrome (934439).

The spelling of 712222222217 in words is "seven hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred seventeen".