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12211101201 = 3133111006769
BaseRepresentation
bin10110101111101011…
…01001111000010001
31011112000100012202110
423113311221320101
5200002020214301
65335410135533
7611413435065
oct132765517021
934460305673
1012211101201
1151a6937082
1224495815a9
1311c7b07990
1483ba8daa5
154b706e0d6
hex2d7d69e11

12211101201 has 16 divisors (see below), whose sum is σ = 17590285440. Its totient is φ = 7490353920.

The previous prime is 12211101169. The next prime is 12211101209. The reversal of 12211101201 is 10210111221.

It is not a de Polignac number, because 12211101201 - 25 = 12211101169 is a prime.

It is a super-2 number, since 2×122111012012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211101209) 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 15 ways as a sum of consecutive naturals, for example, 491256 + ... + 515513.

It is an arithmetic number, because the mean of its divisors is an integer number (1099392840).

Almost surely, 212211101201 is an apocalyptic number.

It is an amenable number.

12211101201 is a deficient number, since it is larger than the sum of its proper divisors (5379184239).

12211101201 is a wasteful number, since it uses less digits than its factorization.

12211101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007096.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12211101201 its reverse (10210111221), we get a palindrome (22421212422).

The spelling of 12211101201 in words is "twelve billion, two hundred eleven million, one hundred one thousand, two hundred one".

Divisors: 1 3 13 39 311 933 4043 12129 1006769 3020307 13087997 39263991 313105159 939315477 4070367067 12211101201