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212102101110212 = 22128294364994693
BaseRepresentation
bin110000001110011111011110…
…011001001000110111000100
31000210222202121002221221222022
4300032133132121020313010
5210300040100341011322
62031034205440422312
762450604535415345
oct6016373631106704
91023882532857868
10212102101110212
1161644aa564a475
121b956984617998
1391471b0877481
143a53b2171c0cc
15197c3e08d0942
hexc0e7de648dc4

212102101110212 has 24 divisors (see below), whose sum is σ = 371220034311000. Its totient is φ = 106039234768896.

The previous prime is 212102101110199. The next prime is 212102101110217. The reversal of 212102101110212 is 212011101201212.

212102101110212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 41384724145216 + 170717376964996 = 6433096^2 + 13065886^2 .

It is not an unprimeable number, because it can be changed into a prime (212102101110217) 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, 2239844738 + ... + 2239939430.

It is an arithmetic number, because the mean of its divisors is an integer number (15467501429625).

Almost surely, 2212102101110212 is an apocalyptic number.

It is an amenable number.

212102101110212 is a deficient number, since it is larger than the sum of its proper divisors (159117933200788).

212102101110212 is a wasteful number, since it uses less digits than its factorization.

212102101110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151175 (or 151173 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212102101110212 its reverse (212011101201212), we get a palindrome (424113202311424).

The spelling of 212102101110212 in words is "two hundred twelve trillion, one hundred two billion, one hundred one million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 12829 25658 43649 51316 87298 94693 174596 189386 378772 559973021 1119946042 1214816497 2239892084 2429632994 4133254757 4859265988 8266509514 16533019028 53025525277553 106051050555106 212102101110212