Search a number
-
+
212001212212001 = 3907404913401307
BaseRepresentation
bin110000001101000001100000…
…111100100010001100100001
31000210122010011222200220121122
4300031001200330202030201
5210241411440311241001
62030520002401302025
762440403446060022
oct6015014074421441
91023563158626548
10212001212212001
1161606233484a53
121b93b309034915
13913a822b5a574
143a4ccb05d0c49
15197998860db1b
hexc0d060f22321

212001212212001 has 8 divisors (see below), whose sum is σ = 212107862239200. Its totient is φ = 211894589003328.

The previous prime is 212001212211937. The next prime is 212001212212007. The reversal of 212001212212001 is 100212212100212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212001212212001 - 26 = 212001212211937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212001212212007) 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 in 7 ways as a sum of consecutive naturals, for example, 9118790 + ... + 22520096.

It is an arithmetic number, because the mean of its divisors is an integer number (26513482779900).

Almost surely, 2212001212212001 is an apocalyptic number.

It is an amenable number.

212001212212001 is a deficient number, since it is larger than the sum of its proper divisors (106650027199).

212001212212001 is a wasteful number, since it uses less digits than its factorization.

212001212212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13409263.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212001212212001 its reverse (100212212100212), we get a palindrome (312213424312213).

The spelling of 212001212212001 in words is "two hundred twelve trillion, one billion, two hundred twelve million, two hundred twelve thousand, one".

Divisors: 1 3907 4049 13401307 15819443 52358906449 54261892043 212001212212001