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212012012211 = 31512391958233
BaseRepresentation
bin1100010101110011100…
…1101001001010110011
3202021020111000010111120
43011130321221022303
511433200033342321
6241221425113323
721213566240526
oct3053471511263
9667214003446
10212012012211
1181a0628781a
123510a488843
1316cb9acb3cc
14a393548bbd
1557accb8ec6
hex315ce692b3

212012012211 has 16 divisors (see below), whose sum is σ = 285745505280. Its totient is φ = 139817764800.

The previous prime is 212012012207. The next prime is 212012012227. The reversal of 212012012211 is 112210210212.

It is not a de Polignac number, because 212012012211 - 22 = 212012012207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212012012281) 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, 870850 + ... + 1087383.

It is an arithmetic number, because the mean of its divisors is an integer number (17859094080).

Almost surely, 2212012012211 is an apocalyptic number.

212012012211 is a deficient number, since it is larger than the sum of its proper divisors (73733493069).

212012012211 is a wasteful number, since it uses less digits than its factorization.

212012012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958626.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212012012211 its reverse (112210210212), we get a palindrome (324222222423).

The spelling of 212012012211 in words is "two hundred twelve billion, twelve million, twelve thousand, two hundred eleven".

Divisors: 1 3 151 239 453 717 36089 108267 1958233 5874699 295693183 468017687 887079549 1404053061 70670670737 212012012211