712222222111 has 8 divisors (see below), whose sum is σ = 718086723584. Its totient is φ = 706361727960.

The previous prime is 712222222097. The next prime is 712222222123. The reversal of 712222222111 is 111222222217.

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 712222222111 - 2⁵ = 712222222079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712222322111) 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, 644385 + ... + 1356346.

It is an arithmetic number, because the mean of its divisors is an integer number (89760840448).

Almost surely, 2^712222222111 is an apocalyptic number.

712222222111 is a deficient number, since it is larger than the sum of its proper divisors (5864501473).

712222222111 is a wasteful number, since it uses less digits than its factorization.

712222222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003661.

The product of its digits is 896, while the sum is 25.

Adding to 712222222111 its reverse (111222222217), we get a palindrome (823444444328).

The spelling of 712222222111 in words is "seven hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".