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122002222012201 is a prime number
BaseRepresentation
bin11011101111010111011011…
…000110101101011100101001
3120222222022001121201210121201
4123233113123012231130221
5111442341022313342301
61111251014055204201
734461240536401006
oct3357273306553451
9528868047653551
10122002222012201
1135967940809713
1211824a21376661
13530c9b612b95b
14221ad20a8a8ad
15e1885774c201
hex6ef5db1ad729

122002222012201 has 2 divisors, whose sum is σ = 122002222012202. Its totient is φ = 122002222012200.

The previous prime is 122002222012141. The next prime is 122002222012243. The reversal of 122002222012201 is 102210222200221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93570121117225 + 28432100894976 = 9673165^2 + 5332176^2 .

It is a cyclic number.

It is not a de Polignac number, because 122002222012201 - 29 = 122002222011689 is a prime.

It is not a weakly prime, because it can be changed into another prime (122002222012261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61001111006100 + 61001111006101.

It is an arithmetic number, because the mean of its divisors is an integer number (61001111006101).

Almost surely, 2122002222012201 is an apocalyptic number.

It is an amenable number.

122002222012201 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002222012201 is an equidigital number, since it uses as much as digits as its factorization.

122002222012201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122002222012201 its reverse (102210222200221), we get a palindrome (224212444212422).

The spelling of 122002222012201 in words is "one hundred twenty-two trillion, two billion, two hundred twenty-two million, twelve thousand, two hundred one".