12342103111 has 4 divisors (see below), whose sum is σ = 13291495672. Its totient is φ = 11392710552.

The previous prime is 12342103097. The next prime is 12342103159. The reversal of 12342103111 is 11130124321.

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 12342103111 - 2²¹ = 12340005959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342103511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474696261 + ... + 474696286.

It is an arithmetic number, because the mean of its divisors is an integer number (3322873918).

Almost surely, 2^12342103111 is an apocalyptic number.

12342103111 is a deficient number, since it is larger than the sum of its proper divisors (949392561).

12342103111 is an equidigital number, since it uses as much as digits as its factorization.

12342103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949392560.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12342103111 its reverse (11130124321), we get a palindrome (23472227432).

It can be divided in two parts, 1234210 and 3111, that added together give a palindrome (1237321).

The spelling of 12342103111 in words is "twelve billion, three hundred forty-two million, one hundred three thousand, one hundred eleven".