212073115071 has 16 divisors (see below), whose sum is σ = 285821635968. Its totient is φ = 139860146400.

The previous prime is 212073115061. The next prime is 212073115109. The reversal of 212073115071 is 170511370212.

It is not a de Polignac number, because 212073115071 - 2³³ = 203483180479 is a prime.

It is a super-2 number, since 2×212073115071² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212073115061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726565 + ... + 975726.

It is an arithmetic number, because the mean of its divisors is an integer number (17863852248).

Almost surely, 2^212073115071 is an apocalyptic number.

212073115071 is a deficient number, since it is larger than the sum of its proper divisors (73748520897).

212073115071 is a wasteful number, since it uses less digits than its factorization.

212073115071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702742.

The product of its (nonzero) digits is 2940, while the sum is 30.

Adding to 212073115071 its reverse (170511370212), we get a palindrome (382584485283).

The spelling of 212073115071 in words is "two hundred twelve billion, seventy-three million, one hundred fifteen thousand, seventy-one".