12213313012237 has 2 divisors, whose sum is σ = 12213313012238. Its totient is φ = 12213313012236.

The previous prime is 12213313012183. The next prime is 12213313012289. The reversal of 12213313012237 is 73221031331221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10804014006916 + 1409299005321 = 3286946^2 + 1187139^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213313012237 - 2¹¹ = 12213313010189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12213313012199 and 12213313012208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213313012337) 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, 6106656506118 + 6106656506119.

It is an arithmetic number, because the mean of its divisors is an integer number (6106656506119).

Almost surely, 2^{12213313012237} is an apocalyptic number.

It is an amenable number.

12213313012237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213313012237 is an equidigital number, since it uses as much as digits as its factorization.

12213313012237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 12213313012237 its reverse (73221031331221), we get a palindrome (85434344343458).

The spelling of 12213313012237 in words is "twelve trillion, two hundred thirteen billion, three hundred thirteen million, twelve thousand, two hundred thirty-seven".