12150134173 has 4 divisors (see below), whose sum is σ = 12151250428. Its totient is φ = 12149017920.

The previous prime is 12150134149. The next prime is 12150134279. The reversal of 12150134173 is 37143105121.

12150134173 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, and also an emirpimes, since its reverse is a distinct semiprime: 37143105121 = 23003 ⋅1614707.

It can be written as a sum of positive squares in 2 ways, for example, as 1053197209 + 11096936964 = 32453^2 + 105342^2 .

It is a cyclic number.

It is not a de Polignac number, because 12150134173 - 2¹⁷ = 12150003101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150174173) 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, 541638 + ... + 563623.

It is an arithmetic number, because the mean of its divisors is an integer number (3037812607).

Almost surely, 2^12150134173 is an apocalyptic number.

It is an amenable number.

12150134173 is a deficient number, since it is larger than the sum of its proper divisors (1116255).

12150134173 is a wasteful number, since it uses less digits than its factorization.

12150134173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116254.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 12150134173 its reverse (37143105121), we get a palindrome (49293239294).

The spelling of 12150134173 in words is "twelve billion, one hundred fifty million, one hundred thirty-four thousand, one hundred seventy-three".