12532133401 has 4 divisors (see below), whose sum is σ = 12537824272. Its totient is φ = 12526442532.

The previous prime is 12532133371. The next prime is 12532133413. The reversal of 12532133401 is 10433123521.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10433123521 = 68597 ⋅152093.

It is a cyclic number.

It is not a de Polignac number, because 12532133401 - 2²⁵ = 12498578969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12532113401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842131 + ... + 2846536.

It is an arithmetic number, because the mean of its divisors is an integer number (3134456068).

Almost surely, 2^12532133401 is an apocalyptic number.

It is an amenable number.

12532133401 is a deficient number, since it is larger than the sum of its proper divisors (5690871).

12532133401 is an equidigital number, since it uses as much as digits as its factorization.

12532133401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690870.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 12532133401 its reverse (10433123521), we get a palindrome (22965256922).

The spelling of 12532133401 in words is "twelve billion, five hundred thirty-two million, one hundred thirty-three thousand, four hundred one".