12532427406173 has 4 divisors (see below), whose sum is σ = 12558161343840. Its totient is φ = 12506693468508.

The previous prime is 12532427406137. The next prime is 12532427406179. The reversal of 12532427406173 is 37160472423521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12532427406173 - 2¹⁴ = 12532427389789 is a prime.

It is a super-2 number, since 2×12532427406173² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532427406179) 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, 12866968103 + ... + 12866969076.

It is an arithmetic number, because the mean of its divisors is an integer number (3139540335960).

Almost surely, 2^{12532427406173} is an apocalyptic number.

It is an amenable number.

12532427406173 is a deficient number, since it is larger than the sum of its proper divisors (25733937667).

12532427406173 is an equidigital number, since it uses as much as digits as its factorization.

12532427406173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25733937666.

The product of its (nonzero) digits is 1693440, while the sum is 47.

Adding to 12532427406173 its reverse (37160472423521), we get a palindrome (49692899829694).

The spelling of 12532427406173 in words is "twelve trillion, five hundred thirty-two billion, four hundred twenty-seven million, four hundred six thousand, one hundred seventy-three".