12212202113 has 2 divisors, whose sum is σ = 12212202114. Its totient is φ = 12212202112.

The previous prime is 12212202109. The next prime is 12212202133. The reversal of 12212202113 is 31120221221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10237999489 + 1974202624 = 101183^2 + 44432^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212202113 - 2² = 12212202109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12212202091 and 12212202100.

It is not a weakly prime, because it can be changed into another prime (12212202103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106101056 + 6106101057.

It is an arithmetic number, because the mean of its divisors is an integer number (6106101057).

Almost surely, 2^12212202113 is an apocalyptic number.

It is an amenable number.

12212202113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212202113 is an equidigital number, since it uses as much as digits as its factorization.

12212202113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12212202113 its reverse (31120221221), we get a palindrome (43332423334).

The spelling of 12212202113 in words is "twelve billion, two hundred twelve million, two hundred two thousand, one hundred thirteen".