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12455401001 is a prime number
BaseRepresentation
bin10111001100110011…
…00101011000101001
31012011001000221002012
423212121211120221
5201002040313001
65415534245305
7620441106311
oct134631453051
935131027065
1012455401001
11531182713a
1224b7356835
131236602984
148622c4441
154cd7292bb
hex2e6665629

12455401001 has 2 divisors, whose sum is σ = 12455401002. Its totient is φ = 12455401000.

The previous prime is 12455400943. The next prime is 12455401003. The reversal of 12455401001 is 10010455421.

12455401001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11802649600 + 652751401 = 108640^2 + 25549^2 .

It is a cyclic number.

It is not a de Polignac number, because 12455401001 - 222 = 12451206697 is a prime.

Together with 12455401003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12455401003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227700500 + 6227700501.

It is an arithmetic number, because the mean of its divisors is an integer number (6227700501).

Almost surely, 212455401001 is an apocalyptic number.

It is an amenable number.

12455401001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12455401001 is an equidigital number, since it uses as much as digits as its factorization.

12455401001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 12455401001 its reverse (10010455421), we get a palindrome (22465856422).

The spelling of 12455401001 in words is "twelve billion, four hundred fifty-five million, four hundred one thousand, one".