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212001000201001 = 11531155473147101
BaseRepresentation
bin110000001101000001010100…
…010011110001101100101001
31000210122002122012202122012101
4300031001110103301230221
5210241411022022413001
62030515525345213401
762440365263026114
oct6015012423615451
91023562565678171
10212001000201001
1161606134838a50
121b93b26a031261
13913a7bac5927b
143a4cc903a357b
151979974bd0a01
hexc0d0544f1b29

212001000201001 has 16 divisors (see below), whose sum is σ = 235639589548608. Its totient is φ = 189090104632000.

The previous prime is 212001000200963. The next prime is 212001000201007. The reversal of 212001000201001 is 100102000100212.

It is not a de Polignac number, because 212001000201001 - 227 = 212000865983273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212001000201007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65790351 + ... + 68937451.

It is an arithmetic number, because the mean of its divisors is an integer number (14727474346788).

Almost surely, 2212001000201001 is an apocalyptic number.

It is an amenable number.

212001000201001 is a deficient number, since it is larger than the sum of its proper divisors (23638589347607).

212001000201001 is a wasteful number, since it uses less digits than its factorization.

212001000201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262712.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 212001000201001 its reverse (100102000100212), we get a palindrome (312103000301213).

The spelling of 212001000201001 in words is "two hundred twelve trillion, one billion, two hundred one thousand, one".

Divisors: 1 11 53 583 115547 1271017 3147101 6123991 34618111 67363901 166796353 1834759883 363638079247 4000018871717 19272818200091 212001000201001