12213310231 has 2 divisors, whose sum is σ = 12213310232. Its totient is φ = 12213310230.

The previous prime is 12213310223. The next prime is 12213310243. The reversal of 12213310231 is 13201331221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12213310231 - 2³ = 12213310223 is a prime.

It is a super-2 number, since 2×12213310231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12213310199 and 12213310208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213310331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106655115 + 6106655116.

It is an arithmetic number, because the mean of its divisors is an integer number (6106655116).

Almost surely, 2^12213310231 is an apocalyptic number.

12213310231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213310231 is an equidigital number, since it uses as much as digits as its factorization.

12213310231 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 12213310231 its reverse (13201331221), we get a palindrome (25414641452).

The spelling of 12213310231 in words is "twelve billion, two hundred thirteen million, three hundred ten thousand, two hundred thirty-one".