712551155217 has 32 divisors (see below), whose sum is σ = 1053009040896. Its totient is φ = 424971331200.

The previous prime is 712551155203. The next prime is 712551155227.

712551155217 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 712551155217 - 2¹⁸ = 712550893073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (712551155227) 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, 733342 + ... + 1401032.

It is an arithmetic number, because the mean of its divisors is an integer number (32906532528).

Almost surely, 2^712551155217 is an apocalyptic number.

It is an amenable number.

712551155217 is a deficient number, since it is larger than the sum of its proper divisors (340457885679).

712551155217 is a wasteful number, since it uses less digits than its factorization.

712551155217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668221.

The product of its digits is 122500, while the sum is 42.

It can be divided in two parts, 712551 and 155217, that added together give a palindrome (867768).

The spelling of 712551155217 in words is "seven hundred twelve billion, five hundred fifty-one million, one hundred fifty-five thousand, two hundred seventeen".