12202111213 has 2 divisors, whose sum is σ = 12202111214. Its totient is φ = 12202111212.

The previous prime is 12202111171. The next prime is 12202111237. The reversal of 12202111213 is 31211120221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10466722249 + 1735388964 = 102307^2 + 41658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12202111213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202141213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101055606 + 6101055607.

It is an arithmetic number, because the mean of its divisors is an integer number (6101055607).

Almost surely, 2^12202111213 is an apocalyptic number.

It is an amenable number.

12202111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202111213 is an equidigital number, since it uses as much as digits as its factorization.

12202111213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12202111213 its reverse (31211120221), we get a palindrome (43413231434).

The spelling of 12202111213 in words is "twelve billion, two hundred two million, one hundred eleven thousand, two hundred thirteen".