12102220213 has 2 divisors, whose sum is σ = 12102220214. Its totient is φ = 12102220212.

The previous prime is 12102220177. The next prime is 12102220217. The reversal of 12102220213 is 31202220121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9939691204 + 2162529009 = 99698^2 + 46503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102220213 is a prime.

It is a super-3 number, since 3×12102220213³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12102220217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051110106 + 6051110107.

It is an arithmetic number, because the mean of its divisors is an integer number (6051110107).

Almost surely, 2^12102220213 is an apocalyptic number.

It is an amenable number.

12102220213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102220213 is an equidigital number, since it uses as much as digits as its factorization.

12102220213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12102220213 its reverse (31202220121), we get a palindrome (43304440334).

The spelling of 12102220213 in words is "twelve billion, one hundred two million, two hundred twenty thousand, two hundred thirteen".