12232212211 has 2 divisors, whose sum is σ = 12232212212. Its totient is φ = 12232212210.

The previous prime is 12232212203. The next prime is 12232212269. The reversal of 12232212211 is 11221223221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12232212211 - 2³ = 12232212203 is a prime.

It is a super-3 number, since 3×12232212211³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12232212271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116106105 + 6116106106.

It is an arithmetic number, because the mean of its divisors is an integer number (6116106106).

Almost surely, 2^12232212211 is an apocalyptic number.

12232212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232212211 is an equidigital number, since it uses as much as digits as its factorization.

12232212211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

Adding to 12232212211 its reverse (11221223221), we get a palindrome (23453435432).

The spelling of 12232212211 in words is "twelve billion, two hundred thirty-two million, two hundred twelve thousand, two hundred eleven".