Search a number
-
+
121222065783293 is a prime number
BaseRepresentation
bin11011100100000000110110…
…001010111000000111111101
3120220012201100012011002002222
4123210000312022320013331
5111342100242320031133
61105452352003455125
734351001540021006
oct3344006612700775
9526181305132088
10121222065783293
1135696a97977942
12117197946874a5
135284265389a87
1421d1271d801ad
15e033e6615e98
hex6e40362b81fd

121222065783293 has 2 divisors, whose sum is σ = 121222065783294. Its totient is φ = 121222065783292.

The previous prime is 121222065783283. The next prime is 121222065783331. The reversal of 121222065783293 is 392387560222121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120858647306329 + 363418476964 = 10993573^2 + 602842^2 .

It is a cyclic number.

It is not a de Polignac number, because 121222065783293 - 24 = 121222065783277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121222065783283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611032891646 + 60611032891647.

It is an arithmetic number, because the mean of its divisors is an integer number (60611032891647).

Almost surely, 2121222065783293 is an apocalyptic number.

It is an amenable number.

121222065783293 is a deficient number, since it is larger than the sum of its proper divisors (1).

121222065783293 is an equidigital number, since it uses as much as digits as its factorization.

121222065783293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 121222065783293 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, sixty-five million, seven hundred eighty-three thousand, two hundred ninety-three".