712226331161 has 8 divisors (see below), whose sum is σ = 715993218048. Its totient is φ = 708459840000.

The previous prime is 712226331133. The next prime is 712226331191. The reversal of 712226331161 is 161133622217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 712226331161 - 2⁶ = 712226331097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712226331121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3945836 + ... + 4122386.

It is an arithmetic number, because the mean of its divisors is an integer number (89499152256).

Almost surely, 2^712226331161 is an apocalyptic number.

It is an amenable number.

712226331161 is a deficient number, since it is larger than the sum of its proper divisors (3766886887).

712226331161 is a wasteful number, since it uses less digits than its factorization.

712226331161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197863.

The product of its digits is 18144, while the sum is 35.

Adding to 712226331161 its reverse (161133622217), we get a palindrome (873359953378).

The spelling of 712226331161 in words is "seven hundred twelve billion, two hundred twenty-six million, three hundred thirty-one thousand, one hundred sixty-one".