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12010005521057 is a prime number
BaseRepresentation
bin1010111011000100110000…
…0111001110001010100001
31120112010220221020020101102
42232301030013032022201
53033232442403133212
641313153111044145
72346460063360565
oct256611407161241
946463827206342
1012010005521057
11391046201a975
12141b752670655
1369170059104b
142d740477b6a5
1515c61b51e5c2
hexaec4c1ce2a1

12010005521057 has 2 divisors, whose sum is σ = 12010005521058. Its totient is φ = 12010005521056.

The previous prime is 12010005520969. The next prime is 12010005521077. The reversal of 12010005521057 is 75012550001021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8421087451921 + 3588918069136 = 2901911^2 + 1894444^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010005521057 - 212 = 12010005516961 is a prime.

It is not a weakly prime, because it can be changed into another prime (12010005521077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005002760528 + 6005002760529.

It is an arithmetic number, because the mean of its divisors is an integer number (6005002760529).

Almost surely, 212010005521057 is an apocalyptic number.

It is an amenable number.

12010005521057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010005521057 is an equidigital number, since it uses as much as digits as its factorization.

12010005521057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3500, while the sum is 29.

Adding to 12010005521057 its reverse (75012550001021), we get a palindrome (87022555522078).

The spelling of 12010005521057 in words is "twelve trillion, ten billion, five million, five hundred twenty-one thousand, fifty-seven".