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12022122111997 is a prime number
BaseRepresentation
bin1010111011110001111001…
…0100010110001111111101
31120120022012100201211102211
42232330132110112033331
53033432301230040442
641322515303420421
72350366251606604
oct256743624261775
946508170654384
1012022122111997
11391560a574a98
121421b74454711
136928b1927b9a
142d7c33a68a3b
1515caca120617
hexaef1e5163fd

12022122111997 has 2 divisors, whose sum is σ = 12022122111998. Its totient is φ = 12022122111996.

The previous prime is 12022122111983. The next prime is 12022122112027. The reversal of 12022122111997 is 79911122122021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11789787507876 + 232334604121 = 3433626^2 + 482011^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022122111997 - 27 = 12022122111869 is a prime.

It is a super-2 number, since 2×120221221119972 (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 (12022122118997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011061055998 + 6011061055999.

It is an arithmetic number, because the mean of its divisors is an integer number (6011061055999).

Almost surely, 212022122111997 is an apocalyptic number.

It is an amenable number.

12022122111997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022122111997 is an equidigital number, since it uses as much as digits as its factorization.

12022122111997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 12022122111997 in words is "twelve trillion, twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, nine hundred ninety-seven".