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212212012212201 = 318114511453185369
BaseRepresentation
bin110000010000000101110101…
…100110101101111111101001
31000211101021022000002110012110
4300100011311212231333221
5210303340200111242301
62031200504053032533
762461545330363051
oct6020056546557751
91024337260073173
10212212012212201
11616876775a1151
121b974139625749
139154678819bb1
143a5918aba0561
1519801c4cb80d6
hexc101759adfe9

212212012212201 has 32 divisors (see below), whose sum is σ = 284906168426880. Its totient is φ = 140498563392000.

The previous prime is 212212012212199. The next prime is 212212012212217. The reversal of 212212012212201 is 102212210212212.

It is not a de Polignac number, because 212212012212201 - 21 = 212212012212199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212212012012201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1144715845 + ... + 1144901213.

It is an arithmetic number, because the mean of its divisors is an integer number (8903317763340).

Almost surely, 2212212012212201 is an apocalyptic number.

It is an amenable number.

212212012212201 is a deficient number, since it is larger than the sum of its proper divisors (72694156214679).

212212012212201 is a wasteful number, since it uses less digits than its factorization.

212212012212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188457.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212212012212201 its reverse (102212210212212), we get a palindrome (314424222424413).

The spelling of 212212012212201 in words is "two hundred twelve trillion, two hundred twelve billion, twelve million, two hundred twelve thousand, two hundred one".

Divisors: 1 3 181 543 1451 1453 4353 4359 185369 262631 262993 556107 787893 788979 2108303 6324909 33551789 100655367 268970419 269341157 381602843 806911257 808023471 1144808529 48683645839 48750749417 146050937517 146252248251 390814018807 1172442056421 70737337404067 212212012212201