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12211003203 = 37283068049
BaseRepresentation
bin10110101111101010…
…10001111101000011
31011112000011020022220
423113311101331003
5200002004100303
65335404102123
7611412546300
oct132765217503
934460136286
1012211003203
1151a687a493
122449534943
1311c7aa21a9
1483ba660a7
154b7050053
hex2d7d51f43

12211003203 has 12 divisors (see below), whose sum is σ = 18939515400. Its totient is φ = 6977716032.

The previous prime is 12211003169. The next prime is 12211003237. The reversal of 12211003203 is 30230011221.

It is an interprime number because it is at equal distance from previous prime (12211003169) and next prime (12211003237).

It is not a de Polignac number, because 12211003203 - 26 = 12211003139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12211003283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41533878 + ... + 41534171.

It is an arithmetic number, because the mean of its divisors is an integer number (1578292950).

Almost surely, 212211003203 is an apocalyptic number.

12211003203 is a deficient number, since it is larger than the sum of its proper divisors (6728512197).

12211003203 is an equidigital number, since it uses as much as digits as its factorization.

12211003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83068066 (or 83068059 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12211003203 its reverse (30230011221), we get a palindrome (42441014424).

The spelling of 12211003203 in words is "twelve billion, two hundred eleven million, three thousand, two hundred three".

Divisors: 1 3 7 21 49 147 83068049 249204147 581476343 1744429029 4070334401 12211003203