12341211121 has 4 divisors (see below), whose sum is σ = 12431293092. Its totient is φ = 12251129152.

The previous prime is 12341211119. The next prime is 12341211143. The reversal of 12341211121 is 12111214321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9867640896 + 2473570225 = 99336^2 + 49735^2 .

It is a cyclic number.

It is not a de Polignac number, because 12341211121 - 2¹ = 12341211119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12341211221) 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, 45040780 + ... + 45041053.

It is an arithmetic number, because the mean of its divisors is an integer number (3107823273).

Almost surely, 2^12341211121 is an apocalyptic number.

It is an amenable number.

12341211121 is a deficient number, since it is larger than the sum of its proper divisors (90081971).

12341211121 is an equidigital number, since it uses as much as digits as its factorization.

12341211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90081970.

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

Adding to 12341211121 its reverse (12111214321), we get a palindrome (24452425442).

The spelling of 12341211121 in words is "twelve billion, three hundred forty-one million, two hundred eleven thousand, one hundred twenty-one".