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122011323079 is a prime number
BaseRepresentation
bin111000110100001110…
…0010000101011000111
3102122221011211102001211
41301220130100223013
53444334344314304
6132015022032251
711546361064042
oct1615034205307
9378834742054
10122011323079
11478212359a8
121b791418687
13b675ac7579
145c9650bc59
153291853204
hex1c68710ac7

122011323079 has 2 divisors, whose sum is σ = 122011323080. Its totient is φ = 122011323078.

The previous prime is 122011323023. The next prime is 122011323097. The reversal of 122011323079 is 970323110221.

Together with next prime (122011323097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122011323079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122011323079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122011321079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005661539 + 61005661540.

It is an arithmetic number, because the mean of its divisors is an integer number (61005661540).

Almost surely, 2122011323079 is an apocalyptic number.

122011323079 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011323079 is an equidigital number, since it uses as much as digits as its factorization.

122011323079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 122011323079 in words is "one hundred twenty-two billion, eleven million, three hundred twenty-three thousand, seventy-nine".