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212201122201 = 1736871338543
BaseRepresentation
bin1100010110100000101…
…1000010100110011001
3202021201122211220122021
43011220023002212121
511434041441402301
6241252302254441
721221353530565
oct3055013024631
9667648756567
10212201122201
1181aa3001972
1235161887421
131701a041a03
14a3b06d46a5
1557be6c18a1
hex31682c2999

212201122201 has 8 divisors (see below), whose sum is σ = 224690298624. Its totient is φ = 199712696640.

The previous prime is 212201122193. The next prime is 212201122213. The reversal of 212201122201 is 102221102212.

It is a happy number.

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 212201122201 - 23 = 212201122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201123201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457536 + ... + 796078.

It is an arithmetic number, because the mean of its divisors is an integer number (28086287328).

Almost surely, 2212201122201 is an apocalyptic number.

It is an amenable number.

212201122201 is a deficient number, since it is larger than the sum of its proper divisors (12489176423).

212201122201 is a wasteful number, since it uses less digits than its factorization.

212201122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375431.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212201122201 its reverse (102221102212), we get a palindrome (314422224413).

The spelling of 212201122201 in words is "two hundred twelve billion, two hundred one million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 17 36871 338543 626807 5755231 12482418953 212201122201