12141242181 has 24 divisors (see below), whose sum is σ = 17795194560. Its totient is φ = 7975296000.

The previous prime is 12141242161. The next prime is 12141242207. The reversal of 12141242181 is 18124214121.

12141242181 is a `hidden beast` number, since 121 + 41 + 2 + 421 + 81 = 666.

It is not a de Polignac number, because 12141242181 - 2¹⁰ = 12141241157 is a prime.

It is a super-2 number, since 2×12141242181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12141242161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259781 + ... + 1269381.

It is an arithmetic number, because the mean of its divisors is an integer number (741466440).

Almost surely, 2^12141242181 is an apocalyptic number.

It is an amenable number.

12141242181 is a deficient number, since it is larger than the sum of its proper divisors (5653952379).

12141242181 is a wasteful number, since it uses less digits than its factorization.

12141242181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11657 (or 11654 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The spelling of 12141242181 in words is "twelve billion, one hundred forty-one million, two hundred forty-two thousand, one hundred eighty-one".