12301120231 has 4 divisors (see below), whose sum is σ = 12301442352. Its totient is φ = 12300798112.

The previous prime is 12301120229. The next prime is 12301120241. The reversal of 12301120231 is 13202110321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13202110321 = 293 ⋅45058397.

It is a cyclic number.

It is not a de Polignac number, because 12301120231 - 2¹ = 12301120229 is a prime.

It is a super-2 number, since 2×12301120231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301120241) 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, 94651 + ... + 183196.

It is an arithmetic number, because the mean of its divisors is an integer number (3075360588).

Almost surely, 2^12301120231 is an apocalyptic number.

12301120231 is a deficient number, since it is larger than the sum of its proper divisors (322121).

12301120231 is an equidigital number, since it uses as much as digits as its factorization.

12301120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322120.

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

Adding to 12301120231 its reverse (13202110321), we get a palindrome (25503230552).

The spelling of 12301120231 in words is "twelve billion, three hundred one million, one hundred twenty thousand, two hundred thirty-one".