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212120120120201 = 43137112954795821
BaseRepresentation
bin110000001110110000010000…
…011010001101001110001001
31000211001111002212220111210122
4300032300100122031032021
5210300334001222321301
62031050345442353025
762452113214444226
oct6016602032151611
91024044085814718
10212120120120201
1161651701936367
121b95a37305b775
139148ac2a02667
143a5495089694d
15197cae779181b
hexc0ec1068d389

212120120120201 has 32 divisors (see below), whose sum is σ = 218908671801600. Its totient is φ = 205419804226560.

The previous prime is 212120120120159. The next prime is 212120120120203. The reversal of 212120120120201 is 102021021021212.

It is a cyclic number.

It is not a de Polignac number, because 212120120120201 - 26 = 212120120120137 is a prime.

It is a super-2 number, since 2×2121201201202012 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212120120120201.

It is not an unprimeable number, because it can be changed into a prime (212120120120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36440491871 + ... + 36440497691.

It is an arithmetic number, because the mean of its divisors is an integer number (6840895993800).

Almost surely, 2212120120120201 is an apocalyptic number.

It is an amenable number.

212120120120201 is a deficient number, since it is larger than the sum of its proper divisors (6788551681399).

212120120120201 is a wasteful number, since it uses less digits than its factorization.

212120120120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12609.

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

Adding to 212120120120201 its reverse (102021021021212), we get a palindrome (314141141141413).

The spelling of 212120120120201 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty thousand, two hundred one".

Divisors: 1 43 137 1129 5479 5821 5891 48547 154673 235597 250303 750623 797477 6185791 6571909 6650939 31893259 32276789 34291511 265989013 282592087 847453367 900351533 1371410137 4369376483 36007489411 36440494781 38715115919 187883188769 1548322044673 4933026049307 212120120120201