12310111111 has 8 divisors (see below), whose sum is σ = 13035231504. Its totient is φ = 11585101440.

The previous prime is 12310111063. The next prime is 12310111117. The reversal of 12310111111 is 11111101321.

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 12310111111 - 2⁹ = 12310110599 is a prime.

It is a Duffinian number.

12310111111 is a modest number, since divided by 111111 gives 12310 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12310111091 and 12310111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310111117) 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, 343696 + ... + 377818.

It is an arithmetic number, because the mean of its divisors is an integer number (1629403938).

Almost surely, 2^12310111111 is an apocalyptic number.

12310111111 is a deficient number, since it is larger than the sum of its proper divisors (725120393).

12310111111 is a wasteful number, since it uses less digits than its factorization.

12310111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55361.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 12310111111 its reverse (11111101321), we get a palindrome (23421212432).

The spelling of 12310111111 in words is "twelve billion, three hundred ten million, one hundred eleven thousand, one hundred eleven".