12452511224173 has 4 divisors (see below), whose sum is σ = 12505955478588. Its totient is φ = 12399066969760.

The previous prime is 12452511224147. The next prime is 12452511224261. The reversal of 12452511224173 is 37142211525421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6694752606084 + 5757758618089 = 2587422^2 + 2399533^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452511224173 - 2¹³ = 12452511215981 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 (12452511224143) 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, 26722126858 + ... + 26722127323.

It is an arithmetic number, because the mean of its divisors is an integer number (3126488869647).

Almost surely, 2^{12452511224173} is an apocalyptic number.

It is an amenable number.

12452511224173 is a deficient number, since it is larger than the sum of its proper divisors (53444254415).

12452511224173 is an equidigital number, since it uses as much as digits as its factorization.

12452511224173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53444254414.

The product of its digits is 134400, while the sum is 40.

Adding to 12452511224173 its reverse (37142211525421), we get a palindrome (49594722749594).

The spelling of 12452511224173 in words is "twelve trillion, four hundred fifty-two billion, five hundred eleven million, two hundred twenty-four thousand, one hundred seventy-three".