12053240513 has 4 divisors (see below), whose sum is σ = 12053604288. Its totient is φ = 12052876740.

The previous prime is 12053240503. The next prime is 12053240609. The reversal of 12053240513 is 31504235021.

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.

It is a cyclic number.

It is not a de Polignac number, because 12053240513 - 2⁴ = 12053240497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12053240503) 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, 126581 + ... + 200322.

It is an arithmetic number, because the mean of its divisors is an integer number (3013401072).

Almost surely, 2^12053240513 is an apocalyptic number.

It is an amenable number.

12053240513 is a deficient number, since it is larger than the sum of its proper divisors (363775).

12053240513 is an equidigital number, since it uses as much as digits as its factorization.

12053240513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363774.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12053240513 its reverse (31504235021), we get a palindrome (43557475534).

The spelling of 12053240513 in words is "twelve billion, fifty-three million, two hundred forty thousand, five hundred thirteen".