12041141661 has 12 divisors (see below), whose sum is σ = 17396608320. Its totient is φ = 8025651720.

The previous prime is 12041141659. The next prime is 12041141687. The reversal of 12041141661 is 16614114021.

It is not a de Polignac number, because 12041141661 - 2¹ = 12041141659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12041141261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104391 + ... + 187028.

It is an arithmetic number, because the mean of its divisors is an integer number (1449717360).

Almost surely, 2^12041141661 is an apocalyptic number.

It is an amenable number.

12041141661 is a deficient number, since it is larger than the sum of its proper divisors (5355466659).

12041141661 is a wasteful number, since it uses less digits than its factorization.

12041141661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296016 (or 296013 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 12041141661 its reverse (16614114021), we get a palindrome (28655255682).

The spelling of 12041141661 in words is "twelve billion, forty-one million, one hundred forty-one thousand, six hundred sixty-one".