12403524245213 has 4 divisors (see below), whose sum is σ = 12403548375708. Its totient is φ = 12403500114720.

The previous prime is 12403524245207. The next prime is 12403524245221. The reversal of 12403524245213 is 31254242530421.

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 8205463372324 + 4198060872889 = 2864518^2 + 2048917^2 .

It is a cyclic number.

It is not a de Polignac number, because 12403524245213 - 2⁸ = 12403524244957 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 (12403524245293) 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, 11277056 + ... + 12327977.

It is an arithmetic number, because the mean of its divisors is an integer number (3100887093927).

Almost surely, 2^{12403524245213} is an apocalyptic number.

It is an amenable number.

12403524245213 is a deficient number, since it is larger than the sum of its proper divisors (24130495).

12403524245213 is an equidigital number, since it uses as much as digits as its factorization.

12403524245213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24130494.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 12403524245213 its reverse (31254242530421), we get a palindrome (43657766775634).

The spelling of 12403524245213 in words is "twelve trillion, four hundred three billion, five hundred twenty-four million, two hundred forty-five thousand, two hundred thirteen".