12173237121 has 16 divisors (see below), whose sum is σ = 16264119168. Its totient is φ = 8098944000.

The previous prime is 12173237119. The next prime is 12173237159.

12173237121 is nontrivially palindromic in base 10.

12173237121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12173237121 - 2¹ = 12173237119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12173237161) 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 15 ways as a sum of consecutive naturals, for example, 4643191 + ... + 4645811.

It is an arithmetic number, because the mean of its divisors is an integer number (1016507448).

Almost surely, 2^12173237121 is an apocalyptic number.

It is an amenable number.

12173237121 is a deficient number, since it is larger than the sum of its proper divisors (4090882047).

12173237121 is a wasteful number, since it uses less digits than its factorization.

12173237121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5192.

The product of its digits is 3528, while the sum is 30.

The spelling of 12173237121 in words is "twelve billion, one hundred seventy-three million, two hundred thirty-seven thousand, one hundred twenty-one".