12325010324521 has 4 divisors (see below), whose sum is σ = 12325257235072. Its totient is φ = 12324763413972.

The previous prime is 12325010324509. The next prime is 12325010324567. The reversal of 12325010324521 is 12542301052321.

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 12325010324521 - 2⁹ = 12325010324009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12325010354521) 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, 123380385 + ... + 123480238.

It is an arithmetic number, because the mean of its divisors is an integer number (3081314308768).

Almost surely, 2^{12325010324521} is an apocalyptic number.

It is an amenable number.

12325010324521 is a deficient number, since it is larger than the sum of its proper divisors (246910551).

12325010324521 is an equidigital number, since it uses as much as digits as its factorization.

12325010324521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246910550.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 12325010324521 its reverse (12542301052321), we get a palindrome (24867311376842).

The spelling of 12325010324521 in words is "twelve trillion, three hundred twenty-five billion, ten million, three hundred twenty-four thousand, five hundred twenty-one".