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212201100201212 = 22947321031266281
BaseRepresentation
bin110000001111111011101011…
…001100101100110011111100
31000211100020010112012212012022
4300033323223030230303330
5210303200323122414322
62031151501210455312
762461011036665663
oct6017735314546374
91024306115185168
10212201100201212
1161682a87aa0851
121b971bb3134538
139153629bbc065
143a58833875dda
15197ec86d09942
hexc0feeb32ccfc

212201100201212 has 24 divisors (see below), whose sum is σ = 371410180465632. Its totient is φ = 106083906969600.

The previous prime is 212201100201203. The next prime is 212201100201217. The reversal of 212201100201212 is 212102001102212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201100201217) 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, 796773512 + ... + 797039792.

It is an arithmetic number, because the mean of its divisors is an integer number (15475424186068).

Almost surely, 2212201100201212 is an apocalyptic number.

It is an amenable number.

212201100201212 is a deficient number, since it is larger than the sum of its proper divisors (159209080264420).

212201100201212 is a wasteful number, since it uses less digits than its factorization.

212201100201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296789 (or 296787 counting only the distinct ones).

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

Adding to 212201100201212 its reverse (212102001102212), we get a palindrome (424303101303424).

The spelling of 212201100201212 in words is "two hundred twelve trillion, two hundred one billion, one hundred million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 9473 18946 21031 37892 42062 84124 266281 532562 1065124 199226663 398453326 796906652 2522479913 5044959826 5600155711 10089919652 11200311422 22400622844 53050275050303 106100550100606 212201100201212