12301221013 has 4 divisors (see below), whose sum is σ = 12303954880. Its totient is φ = 12298487148.

The previous prime is 12301220983. The next prime is 12301221041. The reversal of 12301221013 is 31012210321.

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: 31012210321 = 27127 ⋅1143223.

It is a cyclic number.

It is not a de Polignac number, because 12301221013 - 2²⁵ = 12267666581 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 (12301221043) 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, 1360173 + ... + 1369186.

It is an arithmetic number, because the mean of its divisors is an integer number (3075988720).

Almost surely, 2^12301221013 is an apocalyptic number.

It is an amenable number.

12301221013 is a deficient number, since it is larger than the sum of its proper divisors (2733867).

12301221013 is an equidigital number, since it uses as much as digits as its factorization.

12301221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733866.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12301221013 its reverse (31012210321), we get a palindrome (43313431334).

The spelling of 12301221013 in words is "twelve billion, three hundred one million, two hundred twenty-one thousand, thirteen".