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12012100201201 = 1391409386315877
BaseRepresentation
bin1010111011001100100011…
…1101110010101011110001
31120112100022220202000100111
42232303020331302223301
53033301240122414301
641314141015221321
72346563020020022
oct256631075625361
946470286660314
1012012100201201
113911337455091
121420038077841
13691975538659
142d7562a40c49
1515c6e0385551
hexaecc8f72af1

12012100201201 has 16 divisors (see below), whose sum is σ = 12111001660800. Its totient is φ = 11913382914048.

The previous prime is 12012100201183. The next prime is 12012100201223. The reversal of 12012100201201 is 10210200121021.

It is a cyclic number.

It is not a de Polignac number, because 12012100201201 - 215 = 12012100168433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012100208201) 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, 756564475 + ... + 756580351.

It is an arithmetic number, because the mean of its divisors is an integer number (756937603800).

Almost surely, 212012100201201 is an apocalyptic number.

It is an amenable number.

12012100201201 is a deficient number, since it is larger than the sum of its proper divisors (98901459599).

12012100201201 is a wasteful number, since it uses less digits than its factorization.

12012100201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21288.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012100201201 its reverse (10210200121021), we get a palindrome (22222300322222).

The spelling of 12012100201201 in words is "twelve trillion, twelve billion, one hundred million, two hundred one thousand, two hundred one".

Divisors: 1 139 1409 3863 15877 195851 536957 2206903 5442967 22370693 61332851 756572413 3109526327 8525266289 86417987059 12012100201201