12230213111 has 2 divisors, whose sum is σ = 12230213112. Its totient is φ = 12230213110.

The previous prime is 12230213101. The next prime is 12230213129. The reversal of 12230213111 is 11131203221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12230213111 is a prime.

It is a super-2 number, since 2×12230213111² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12230213111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12230213101) 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 as a sum of consecutive naturals, namely, 6115106555 + 6115106556.

It is an arithmetic number, because the mean of its divisors is an integer number (6115106556).

Almost surely, 2^12230213111 is an apocalyptic number.

12230213111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230213111 is an equidigital number, since it uses as much as digits as its factorization.

12230213111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12230213111 its reverse (11131203221), we get a palindrome (23361416332).

The spelling of 12230213111 in words is "twelve billion, two hundred thirty million, two hundred thirteen thousand, one hundred eleven".