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212012122002201 = 3278732992112593
BaseRepresentation
bin110000001101001011101011…
…001110000101001100011001
31000210200011100022101200021100
4300031023223032011030121
5210242101311213032301
62030525005124102013
762441241011544363
oct6015135316051431
91023604308350240
10212012122002201
116160a9217a8894
121b941452834909
13913b87118b621
143a4d6274dbd33
151979dc62ce286
hexc0d2eb385319

212012122002201 has 12 divisors (see below), whose sum is σ = 306278629347028. Its totient is φ = 141323461945344.

The previous prime is 212012122002167. The next prime is 212012122002203. The reversal of 212012122002201 is 102200221210212.

It is a happy number.

212012122002201 is a `hidden beast` number, since 2 + 1 + 201 + 21 + 220 + 0 + 220 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27247366449801 + 184764755552400 = 5219901^2 + 13592820^2 .

It is not a de Polignac number, because 212012122002201 - 211 = 212012122000153 is a prime.

It is a super-2 number, since 2×2120121220022012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012122002203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1495985440 + ... + 1496127153.

Almost surely, 2212012122002201 is an apocalyptic number.

It is an amenable number.

212012122002201 is a deficient number, since it is larger than the sum of its proper divisors (94266507344827).

212012122002201 is a wasteful number, since it uses less digits than its factorization.

212012122002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992120472 (or 2992120469 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212012122002201 its reverse (102200221210212), we get a palindrome (314212343212413).

The spelling of 212012122002201 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, two thousand, two hundred one".

Divisors: 1 3 9 7873 23619 70857 2992112593 8976337779 26929013337 23556902444689 70670707334067 212012122002201