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12213120332213 is a prime number
BaseRepresentation
bin1011000110111001011010…
…1100101111000110110101
31121020120012100120201111222
42301232112230233012311
53100044432301112323
641550344030240125
72400240335650643
oct261562654570665
947216170521458
1012213120332213
113989612039869
121452b99356045
136a78cccc2938
143031923d0193
15162a581659c8
hexb1b96b2f1b5

12213120332213 has 2 divisors, whose sum is σ = 12213120332214. Its totient is φ = 12213120332212.

The previous prime is 12213120332123. The next prime is 12213120332227. The reversal of 12213120332213 is 31223302131221.

Together with previous prime (12213120332123) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8890075714129 + 3323044618084 = 2981623^2 + 1822922^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213120332213 - 28 = 12213120331957 is a prime.

It is a super-2 number, since 2×122131203322132 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213120332263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106560166106 + 6106560166107.

It is an arithmetic number, because the mean of its divisors is an integer number (6106560166107).

Almost surely, 212213120332213 is an apocalyptic number.

It is an amenable number.

12213120332213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213120332213 is an equidigital number, since it uses as much as digits as its factorization.

12213120332213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12213120332213 its reverse (31223302131221), we get a palindrome (43436422463434).

The spelling of 12213120332213 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty million, three hundred thirty-two thousand, two hundred thirteen".