12220120202237 has 2 divisors, whose sum is σ = 12220120202238. Its totient is φ = 12220120202236.

The previous prime is 12220120202219. The next prime is 12220120202267. The reversal of 12220120202237 is 73220202102221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7116831372121 + 5103288830116 = 2667739^2 + 2259046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220120202237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220120202267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110060101118 + 6110060101119.

It is an arithmetic number, because the mean of its divisors is an integer number (6110060101119).

Almost surely, 2^{12220120202237} is an apocalyptic number.

It is an amenable number.

12220120202237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220120202237 is an equidigital number, since it uses as much as digits as its factorization.

12220120202237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 12220120202237 its reverse (73220202102221), we get a palindrome (85440322304458).

The spelling of 12220120202237 in words is "twelve trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, two hundred thirty-seven".