12134518742 has 8 divisors (see below), whose sum is σ = 18693718176. Its totient is φ = 5903279352.

The previous prime is 12134518741. The next prime is 12134518751. The reversal of 12134518742 is 24781543121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12134518696 and 12134518705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134518741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81989918 + ... + 81990065.

It is an arithmetic number, because the mean of its divisors is an integer number (2336714772).

Almost surely, 2^12134518742 is an apocalyptic number.

12134518742 is a deficient number, since it is larger than the sum of its proper divisors (6559199434).

12134518742 is a wasteful number, since it uses less digits than its factorization.

12134518742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163980022.

The product of its digits is 53760, while the sum is 38.

The spelling of 12134518742 in words is "twelve billion, one hundred thirty-four million, five hundred eighteen thousand, seven hundred forty-two".