12231214111 has 4 divisors (see below), whose sum is σ = 12950697312. Its totient is φ = 11511730912.

The previous prime is 12231214103. The next prime is 12231214117. The reversal of 12231214111 is 11141213221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12231214111 - 2³ = 12231214103 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 (12231214117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359741575 + ... + 359741608.

It is an arithmetic number, because the mean of its divisors is an integer number (3237674328).

Almost surely, 2^12231214111 is an apocalyptic number.

12231214111 is a deficient number, since it is larger than the sum of its proper divisors (719483201).

12231214111 is an equidigital number, since it uses as much as digits as its factorization.

12231214111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719483200.

The product of its digits is 96, while the sum is 19.

Adding to 12231214111 its reverse (11141213221), we get a palindrome (23372427332).

The spelling of 12231214111 in words is "twelve billion, two hundred thirty-one million, two hundred fourteen thousand, one hundred eleven".