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12012201201 = 3711134000067
BaseRepresentation
bin10110010111111101…
…11010010011110001
31011000011002001020210
423023332322103301
5144100110414301
65303543054333
7603450011520
oct131376722361
934004061223
1012012201201
115104635610
1223b2a413a9
131195847280
1481d4b64b7
154a4880ad6
hex2cbfba4f1

12012201201 has 32 divisors (see below), whose sum is σ = 21504365568. Its totient is φ = 5760095040.

The previous prime is 12012201181. The next prime is 12012201209. The reversal of 12012201201 is 10210221021.

It is not a de Polignac number, because 12012201201 - 25 = 12012201169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012201209) 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, 1997031 + ... + 2003036.

It is an arithmetic number, because the mean of its divisors is an integer number (672011424).

Almost surely, 212012201201 is an apocalyptic number.

12012201201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012201201 is a deficient number, since it is larger than the sum of its proper divisors (9492164367).

12012201201 is a wasteful number, since it uses less digits than its factorization.

12012201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000101.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012201201 its reverse (10210221021), we get a palindrome (22222422222).

The spelling of 12012201201 in words is "twelve billion, twelve million, two hundred one thousand, two hundred one".

Divisors: 1 3 7 11 13 21 33 39 77 91 143 231 273 429 1001 3003 4000067 12000201 28000469 44000737 52000871 84001407 132002211 156002613 308005159 364006097 572009581 924015477 1092018291 1716028743 4004067067 12012201201