12261231041 has 4 divisors (see below), whose sum is σ = 12339328212. Its totient is φ = 12183133872.

The previous prime is 12261231029. The next prime is 12261231053. The reversal of 12261231041 is 14013216221.

12261231041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (12261231029) and next prime (12261231053).

It can be written as a sum of positive squares in 2 ways, for example, as 8742250000 + 3518981041 = 93500^2 + 59321^2 .

It is a cyclic number.

It is not a de Polignac number, because 12261231041 - 2¹⁸ = 12260968897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12261230998 and 12261231016.

It is not an unprimeable number, because it can be changed into a prime (12261231641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39048350 + ... + 39048663.

It is an arithmetic number, because the mean of its divisors is an integer number (3084832053).

Almost surely, 2^12261231041 is an apocalyptic number.

It is an amenable number.

12261231041 is a deficient number, since it is larger than the sum of its proper divisors (78097171).

12261231041 is an equidigital number, since it uses as much as digits as its factorization.

12261231041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78097170.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12261231041 its reverse (14013216221), we get a palindrome (26274447262).

The spelling of 12261231041 in words is "twelve billion, two hundred sixty-one million, two hundred thirty-one thousand, forty-one".