712142111 has 2 divisors, whose sum is σ = 712142112. Its totient is φ = 712142110.

The previous prime is 712142107. The next prime is 712142131. The reversal of 712142111 is 111241217.

It is an a-pointer prime, because the next prime (712142131) can be obtained adding 712142111 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 712142111 - 2² = 712142107 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712142131) 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 as a sum of consecutive naturals, namely, 356071055 + 356071056.

It is an arithmetic number, because the mean of its divisors is an integer number (356071056).

Almost surely, 2^712142111 is an apocalyptic number.

712142111 is a deficient number, since it is larger than the sum of its proper divisors (1).

712142111 is an equidigital number, since it uses as much as digits as its factorization.

712142111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112, while the sum is 20.

The square root of 712142111 is about 26685.9909128366. The cubic root of 712142111 is about 893.0084242837.

Adding to 712142111 its reverse (111241217), we get a palindrome (823383328).

The spelling of 712142111 in words is "seven hundred twelve million, one hundred forty-two thousand, one hundred eleven".