712211211 has 20 divisors (see below), whose sum is σ = 1066397200. Its totient is φ = 473702256.

The previous prime is 712211183. The next prime is 712211221. The reversal of 712211211 is 112112217.

It is not a de Polignac number, because 712211211 - 2⁵ = 712211179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25545 + ... + 45573.

It is an arithmetic number, because the mean of its divisors is an integer number (53319860).

Almost surely, 2^712211211 is an apocalyptic number.

712211211 is a deficient number, since it is larger than the sum of its proper divisors (354185989).

712211211 is a wasteful number, since it uses less digits than its factorization.

712211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20480 (or 20471 counting only the distinct ones).

The product of its digits is 56, while the sum is 18.

The square root of 712211211 is about 26687.2855682252. The cubic root of 712211211 is about 893.0373065744.

Adding to 712211211 its reverse (112112217), we get a palindrome (824323428).

The spelling of 712211211 in words is "seven hundred twelve million, two hundred eleven thousand, two hundred eleven".