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12230213213 is a prime number
BaseRepresentation
bin10110110001111101…
…00011111001011101
31011120100022012111202
423120332203321131
5200021413310323
65341331525245
7612035045201
oct133076437135
934510265452
1012230213213
115206700229
122453a59825
1311cba69b6a
14840426b01
154b8a96d28
hex2d8fa3e5d

12230213213 has 2 divisors, whose sum is σ = 12230213214. Its totient is φ = 12230213212.

The previous prime is 12230213201. The next prime is 12230213221. The reversal of 12230213213 is 31231203221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12087243364 + 142969849 = 109942^2 + 11957^2 .

It is an emirp because it is prime and its reverse (31231203221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12230213213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12230213243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115106606 + 6115106607.

It is an arithmetic number, because the mean of its divisors is an integer number (6115106607).

Almost surely, 212230213213 is an apocalyptic number.

It is an amenable number.

12230213213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230213213 is an equidigital number, since it uses as much as digits as its factorization.

12230213213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12230213213 its reverse (31231203221), we get a palindrome (43461416434).

The spelling of 12230213213 in words is "twelve billion, two hundred thirty million, two hundred thirteen thousand, two hundred thirteen".