12102222212231 has 2 divisors, whose sum is σ = 12102222212232. Its totient is φ = 12102222212230.

The previous prime is 12102222212191. The next prime is 12102222212347. The reversal of 12102222212231 is 13221222220121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12102222212231 - 2⁶ = 12102222212167 is a prime.

It is a super-2 number, since 2×12102222212231² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 12102222212197 and 12102222212206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12102222712231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051111106115 + 6051111106116.

It is an arithmetic number, because the mean of its divisors is an integer number (6051111106116).

Almost surely, 2^{12102222212231} is an apocalyptic number.

12102222212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102222212231 is an equidigital number, since it uses as much as digits as its factorization.

12102222212231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12102222212231 its reverse (13221222220121), we get a palindrome (25323444432352).

The spelling of 12102222212231 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred thirty-one".