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121210124033 is a prime number
BaseRepresentation
bin111000011100010101…
…1111011011100000001
3102120212100020021121002
41300320223323130001
53441214242432113
6131403321341345
711520462024545
oct1607053733401
9376770207532
10121210124033
114744aa56229
121b5a9037855
13b578b149ab
145c1bd4da25
153246340c58
hex1c38afb701

121210124033 has 2 divisors, whose sum is σ = 121210124034. Its totient is φ = 121210124032.

The previous prime is 121210124027. The next prime is 121210124089. The reversal of 121210124033 is 330421012121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121026060544 + 184063489 = 347888^2 + 13567^2 .

It is a cyclic number.

It is not a de Polignac number, because 121210124033 - 24 = 121210124017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121210123996 and 121210124014.

It is not a weakly prime, because it can be changed into another prime (121210124533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605062016 + 60605062017.

It is an arithmetic number, because the mean of its divisors is an integer number (60605062017).

Almost surely, 2121210124033 is an apocalyptic number.

It is an amenable number.

121210124033 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210124033 is an equidigital number, since it uses as much as digits as its factorization.

121210124033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121210124033 its reverse (330421012121), we get a palindrome (451631136154).

The spelling of 121210124033 in words is "one hundred twenty-one billion, two hundred ten million, one hundred twenty-four thousand, thirty-three".