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122012303011217 is a prime number
BaseRepresentation
bin11011101111100000110011…
…111110101010110110010001
3121000000021002011220121111122
4123233200303332222312101
5111443022144032324332
61111255402254052025
734462045416436463
oct3357406376526621
9530007064817448
10122012303011217
1135971144217463
12118269754aa015
135310931839128
14221b5d9896133
15e18c477a9c12
hex6ef833faad91

122012303011217 has 2 divisors, whose sum is σ = 122012303011218. Its totient is φ = 122012303011216.

The previous prime is 122012303011201. The next prime is 122012303011271. The reversal of 122012303011217 is 712110303210221.

Together with next prime (122012303011271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117766576824961 + 4245726186256 = 10852031^2 + 2060516^2 .

It is an emirp because it is prime and its reverse (712110303210221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122012303011217 - 24 = 122012303011201 is a prime.

It is a super-2 number, since 2×1220123030112172 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122012303011117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006151505608 + 61006151505609.

It is an arithmetic number, because the mean of its divisors is an integer number (61006151505609).

Almost surely, 2122012303011217 is an apocalyptic number.

It is an amenable number.

122012303011217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012303011217 is an equidigital number, since it uses as much as digits as its factorization.

122012303011217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 122012303011217 its reverse (712110303210221), we get a palindrome (834122606221438).

The spelling of 122012303011217 in words is "one hundred twenty-two trillion, twelve billion, three hundred three million, eleven thousand, two hundred seventeen".