12535055321 has 4 divisors (see below), whose sum is σ = 12633756672. Its totient is φ = 12436353972.

The previous prime is 12535055317. The next prime is 12535055327. The reversal of 12535055321 is 12355053521.

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 12535055321 - 2² = 12535055317 is a prime.

It is a super-2 number, since 2×12535055321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12535055327) 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, 49350485 + ... + 49350738.

It is an arithmetic number, because the mean of its divisors is an integer number (3158439168).

Almost surely, 2^12535055321 is an apocalyptic number.

It is an amenable number.

12535055321 is a deficient number, since it is larger than the sum of its proper divisors (98701351).

12535055321 is an equidigital number, since it uses as much as digits as its factorization.

12535055321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98701350.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 12535055321 in words is "twelve billion, five hundred thirty-five million, fifty-five thousand, three hundred twenty-one".