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12122101211219 is a prime number
BaseRepresentation
bin1011000001100110010110…
…0010010110000001010011
31120220212021002001022012122
42300121211202112001103
53042102030402224334
641440452202444455
72360535653125106
oct260314542260123
946825232038178
1012122101211219
113953a5512501a
12143941720372b
1369c155cca1ac
142dc9da00873d
151604cc5cc32e
hexb0665896053

12122101211219 has 2 divisors, whose sum is σ = 12122101211220. Its totient is φ = 12122101211218.

The previous prime is 12122101211203. The next prime is 12122101211221. The reversal of 12122101211219 is 91211210122121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122101211219 - 24 = 12122101211203 is a prime.

It is a super-2 number, since 2×121221012112192 (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 12122101211221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12122101211279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061050605609 + 6061050605610.

It is an arithmetic number, because the mean of its divisors is an integer number (6061050605610).

Almost surely, 212122101211219 is an apocalyptic number.

12122101211219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122101211219 is an equidigital number, since it uses as much as digits as its factorization.

12122101211219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 12122101211219 in words is "twelve trillion, one hundred twenty-two billion, one hundred one million, two hundred eleven thousand, two hundred nineteen".