12102220237 has 2 divisors, whose sum is σ = 12102220238. Its totient is φ = 12102220236.

The previous prime is 12102220217. The next prime is 12102220241. The reversal of 12102220237 is 73202220121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11650827721 + 451392516 = 107939^2 + 21246^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102220237 - 2¹¹ = 12102218189 is a prime.

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, 6051110118 + 6051110119.

It is an arithmetic number, because the mean of its divisors is an integer number (6051110119).

Almost surely, 2^12102220237 is an apocalyptic number.

It is an amenable number.

12102220237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102220237 is an equidigital number, since it uses as much as digits as its factorization.

12102220237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12102220237 its reverse (73202220121), we get a palindrome (85304440358).

The spelling of 12102220237 in words is "twelve billion, one hundred two million, two hundred twenty thousand, two hundred thirty-seven".