712321123211 has 2 divisors, whose sum is σ = 712321123212. Its totient is φ = 712321123210.

The previous prime is 712321123207. The next prime is 712321123223. The reversal of 712321123211 is 112321123217.

It is a weak prime.

It is an emirp because it is prime and its reverse (112321123217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 712321123211 - 2² = 712321123207 is a prime.

It is not a weakly prime, because it can be changed into another prime (712321123271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356160561605 + 356160561606.

It is an arithmetic number, because the mean of its divisors is an integer number (356160561606).

Almost surely, 2^712321123211 is an apocalyptic number.

712321123211 is a deficient number, since it is larger than the sum of its proper divisors (1).

712321123211 is an equidigital number, since it uses as much as digits as its factorization.

712321123211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

Adding to 712321123211 its reverse (112321123217), we get a palindrome (824642246428).

The spelling of 712321123211 in words is "seven hundred twelve billion, three hundred twenty-one million, one hundred twenty-three thousand, two hundred eleven".