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122122220022197 is a prime number
BaseRepresentation
bin11011110001000111001011…
…100010110010100110110101
3121000101202210111011022100022
4123301013023202302212311
5112001322301311202242
61111422101241054525
734503016312554443
oct3361071342624665
9530352714138308
10122122220022197
1135a038195346aa
1211844130487445
13531b0caa9a2b5
142222a65a35b93
15e1ba2c45d0d2
hex6f11cb8b29b5

122122220022197 has 2 divisors, whose sum is σ = 122122220022198. Its totient is φ = 122122220022196.

The previous prime is 122122220022169. The next prime is 122122220022223. The reversal of 122122220022197 is 791220022221221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118506171690916 + 3616048331281 = 10886054^2 + 1901591^2 .

It is a cyclic number.

It is not a de Polignac number, because 122122220022197 - 212 = 122122220018101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122122220022167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061110011098 + 61061110011099.

It is an arithmetic number, because the mean of its divisors is an integer number (61061110011099).

Almost surely, 2122122220022197 is an apocalyptic number.

It is an amenable number.

122122220022197 is a deficient number, since it is larger than the sum of its proper divisors (1).

122122220022197 is an equidigital number, since it uses as much as digits as its factorization.

122122220022197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 122122220022197 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, twenty-two thousand, one hundred ninety-seven".