712211160221 has 4 divisors (see below), whose sum is σ = 776957629344. Its totient is φ = 647464691100.

The previous prime is 712211160203. The next prime is 712211160229. The reversal of 712211160221 is 122061112217.

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 712211160221 - 2²⁶ = 712144051357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712211160229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32373234545 + ... + 32373234566.

It is an arithmetic number, because the mean of its divisors is an integer number (194239407336).

Almost surely, 2^712211160221 is an apocalyptic number.

It is an amenable number.

712211160221 is a deficient number, since it is larger than the sum of its proper divisors (64746469123).

712211160221 is a wasteful number, since it uses less digits than its factorization.

712211160221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64746469122.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 712211160221 its reverse (122061112217), we get a palindrome (834272272438).

The spelling of 712211160221 in words is "seven hundred twelve billion, two hundred eleven million, one hundred sixty thousand, two hundred twenty-one".