12113121241 has 8 divisors (see below), whose sum is σ = 13045926600. Its totient is φ = 11180462592.

The previous prime is 12113121239. The next prime is 12113121259. The reversal of 12113121241 is 14212131121.

It can be written as a sum of positive squares in 4 ways, for example, as 405015625 + 11708105616 = 20125^2 + 108204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12113121241 - 2¹ = 12113121239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12113121341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184041 + ... + 241033.

It is an arithmetic number, because the mean of its divisors is an integer number (1630740825).

Almost surely, 2^12113121241 is an apocalyptic number.

It is an amenable number.

12113121241 is a deficient number, since it is larger than the sum of its proper divisors (932805359).

12113121241 is a wasteful number, since it uses less digits than its factorization.

12113121241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73355.

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

Adding to 12113121241 its reverse (14212131121), we get a palindrome (26325252362).

The spelling of 12113121241 in words is "twelve billion, one hundred thirteen million, one hundred twenty-one thousand, two hundred forty-one".