12301132231 has 2 divisors, whose sum is σ = 12301132232. Its totient is φ = 12301132230.

The previous prime is 12301132189. The next prime is 12301132237. The reversal of 12301132231 is 13223110321.

It is a strong prime.

It is an emirp because it is prime and its reverse (13223110321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12301132231 - 2²³ = 12292743623 is a prime.

It is a super-2 number, since 2×12301132231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12301132199 and 12301132208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12301132237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150566115 + 6150566116.

It is an arithmetic number, because the mean of its divisors is an integer number (6150566116).

Almost surely, 2^12301132231 is an apocalyptic number.

12301132231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12301132231 is an equidigital number, since it uses as much as digits as its factorization.

12301132231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12301132231 its reverse (13223110321), we get a palindrome (25524242552).

The spelling of 12301132231 in words is "twelve billion, three hundred one million, one hundred thirty-two thousand, two hundred thirty-one".