12030321313 has 4 divisors (see below), whose sum is σ = 12030654640. Its totient is φ = 12029987988.

The previous prime is 12030321293. The next prime is 12030321341. The reversal of 12030321313 is 31312303021.

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: 31312303021 = 31 ⋅1010074291.

It is a cyclic number.

It is not a de Polignac number, because 12030321313 - 2¹⁷ = 12030190241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030321353) 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, 104895 + ... + 187252.

It is an arithmetic number, because the mean of its divisors is an integer number (3007663660).

Almost surely, 2^12030321313 is an apocalyptic number.

It is an amenable number.

12030321313 is a deficient number, since it is larger than the sum of its proper divisors (333327).

12030321313 is an equidigital number, since it uses as much as digits as its factorization.

12030321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333326.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12030321313 its reverse (31312303021), we get a palindrome (43342624334).

The spelling of 12030321313 in words is "twelve billion, thirty million, three hundred twenty-one thousand, three hundred thirteen".