12341521211 has 2 divisors, whose sum is σ = 12341521212. Its totient is φ = 12341521210.

The previous prime is 12341521207. The next prime is 12341521237. The reversal of 12341521211 is 11212514321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12341521211 - 2² = 12341521207 is a prime.

It is a super-3 number, since 3×12341521211³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12341521201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170760605 + 6170760606.

It is an arithmetic number, because the mean of its divisors is an integer number (6170760606).

Almost surely, 2^12341521211 is an apocalyptic number.

12341521211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12341521211 is an equidigital number, since it uses as much as digits as its factorization.

12341521211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 23.

The spelling of 12341521211 in words is "twelve billion, three hundred forty-one million, five hundred twenty-one thousand, two hundred eleven".