12432201253 has 4 divisors (see below), whose sum is σ = 12474632268. Its totient is φ = 12389770240.

The previous prime is 12432201251. The next prime is 12432201289. The reversal of 12432201253 is 35210223421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35210223421 = 17 ⋅2071189613.

It can be written as a sum of positive squares in 2 ways, for example, as 8437708449 + 3994492804 = 91857^2 + 63202^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432201253 - 2¹ = 12432201251 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 (12432201251) 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, 21215068 + ... + 21215653.

It is an arithmetic number, because the mean of its divisors is an integer number (3118658067).

Almost surely, 2^12432201253 is an apocalyptic number.

It is an amenable number.

12432201253 is a deficient number, since it is larger than the sum of its proper divisors (42431015).

12432201253 is an equidigital number, since it uses as much as digits as its factorization.

12432201253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42431014.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12432201253 its reverse (35210223421), we get a palindrome (47642424674).

The spelling of 12432201253 in words is "twelve billion, four hundred thirty-two million, two hundred one thousand, two hundred fifty-three".