12211011213 has 24 divisors (see below), whose sum is σ = 17042840640. Its totient is φ = 7776288960.

The previous prime is 12211011193. The next prime is 12211011269. The reversal of 12211011213 is 31211011221.

It is not a de Polignac number, because 12211011213 - 2⁶ = 12211011149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12211011192 and 12211011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211011613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1279128 + ... + 1288638.

It is an arithmetic number, because the mean of its divisors is an integer number (710118360).

Almost surely, 2^12211011213 is an apocalyptic number.

It is an amenable number.

12211011213 is a deficient number, since it is larger than the sum of its proper divisors (4831829427).

12211011213 is an equidigital number, since it uses as much as digits as its factorization.

12211011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369 (or 10346 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12211011213 its reverse (31211011221), we get a palindrome (43422022434).

The spelling of 12211011213 in words is "twelve billion, two hundred eleven million, eleven thousand, two hundred thirteen".