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122555305212413 is a prime number
BaseRepresentation
bin11011110111011010100001…
…011011101011100111111101
3121001221011122221100111001112
4123313122201123223213331
5112030421231113244123
61112353044023451405
734546220466131123
oct3367324133534775
9531834587314045
10122555305212413
113606045a867107
12118b40578b6b65
13534cbb9a11868
1422399cbca3913
15e27e28750d78
hex6f76a16eb9fd

122555305212413 has 2 divisors, whose sum is σ = 122555305212414. Its totient is φ = 122555305212412.

The previous prime is 122555305212371. The next prime is 122555305212469. The reversal of 122555305212413 is 314212503555221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92175399043204 + 30379906169209 = 9600802^2 + 5511797^2 .

It is a cyclic number.

It is not a de Polignac number, because 122555305212413 - 26 = 122555305212349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122555305214413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277652606206 + 61277652606207.

It is an arithmetic number, because the mean of its divisors is an integer number (61277652606207).

Almost surely, 2122555305212413 is an apocalyptic number.

It is an amenable number.

122555305212413 is a deficient number, since it is larger than the sum of its proper divisors (1).

122555305212413 is an equidigital number, since it uses as much as digits as its factorization.

122555305212413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 122555305212413 its reverse (314212503555221), we get a palindrome (436767808767634).

The spelling of 122555305212413 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred five million, two hundred twelve thousand, four hundred thirteen".