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12211003211 = 115320945117
BaseRepresentation
bin10110101111101010…
…10001111101001011
31011112000011020100012
423113311101331023
5200002004100321
65335404102135
7611412546311
oct132765217513
934460136305
1012211003211
1151a687a4a0
12244953494b
1311c7aa21b4
1483ba660b1
154b705005b
hex2d7d51f4b

12211003211 has 8 divisors (see below), whose sum is σ = 13572436464. Its totient is φ = 10891460320.

The previous prime is 12211003169. The next prime is 12211003237. The reversal of 12211003211 is 11230011221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12211003211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211003811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10471976 + ... + 10473141.

It is an arithmetic number, because the mean of its divisors is an integer number (1696554558).

Almost surely, 212211003211 is an apocalyptic number.

12211003211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12211003211 is a deficient number, since it is larger than the sum of its proper divisors (1361433253).

12211003211 is a wasteful number, since it uses less digits than its factorization.

12211003211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20945181.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12211003211 its reverse (11230011221), we get a palindrome (23441014432).

The spelling of 12211003211 in words is "twelve billion, two hundred eleven million, three thousand, two hundred eleven".

Divisors: 1 11 53 583 20945117 230396287 1110091201 12211003211