12135647141 has 8 divisors (see below), whose sum is σ = 12255408000. Its totient is φ = 12016003968.

The previous prime is 12135647071. The next prime is 12135647213. The reversal of 12135647141 is 14174653121.

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

It is a cyclic number.

It is not a de Polignac number, because 12135647141 - 2¹⁸ = 12135384997 is a prime.

It is a super-2 number, since 2×12135647141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12135647341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185525 + ... + 242261.

It is an arithmetic number, because the mean of its divisors is an integer number (1531926000).

Almost surely, 2^12135647141 is an apocalyptic number.

It is an amenable number.

12135647141 is a deficient number, since it is larger than the sum of its proper divisors (119760859).

12135647141 is a wasteful number, since it uses less digits than its factorization.

12135647141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58843.

The product of its digits is 20160, while the sum is 35.

The spelling of 12135647141 in words is "twelve billion, one hundred thirty-five million, six hundred forty-seven thousand, one hundred forty-one".