12230031213 has 8 divisors (see below), whose sum is σ = 18118564800. Its totient is φ = 8153354124.

The previous prime is 12230031161. The next prime is 12230031221. The reversal of 12230031213 is 31213003221.

12230031213 is a `hidden beast` number, since 122 + 300 + 31 + 213 = 666.

It is not a de Polignac number, because 12230031213 - 2⁸ = 12230030957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230031113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226482033 + ... + 226482086.

It is an arithmetic number, because the mean of its divisors is an integer number (2264820600).

Almost surely, 2^12230031213 is an apocalyptic number.

It is an amenable number.

12230031213 is a deficient number, since it is larger than the sum of its proper divisors (5888533587).

12230031213 is an equidigital number, since it uses as much as digits as its factorization.

12230031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452964128 (or 452964122 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12230031213 its reverse (31213003221), we get a palindrome (43443034434).

The spelling of 12230031213 in words is "twelve billion, two hundred thirty million, thirty-one thousand, two hundred thirteen".