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200201101212 = 223721111129013
BaseRepresentation
bin1011101001110011101…
…0100101111110011100
3201010202100200200111110
42322130322211332130
511240002440214322
6231545432222020
720315112165630
oct2723472457634
9633670620443
10200201101212
11779a5336552
1232972b3a910
1315b56ba0788
149992aacdc0
15531ae49c0c
hex2e9cea5f9c

200201101212 has 48 divisors (see below), whose sum is σ = 534122975232. Its totient is φ = 57173167680.

The previous prime is 200201101189. The next prime is 200201101241. The reversal of 200201101212 is 212101102002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387183 + ... + 741830.

It is an arithmetic number, because the mean of its divisors is an integer number (11127561984).

Almost surely, 2200201101212 is an apocalyptic number.

It is an amenable number.

200201101212 is an abundant number, since it is smaller than the sum of its proper divisors (333921874020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200201101212 is a wasteful number, since it uses less digits than its factorization.

200201101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131138 (or 1131136 counting only the distinct ones).

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

Adding to 200201101212 its reverse (212101102002), we get a palindrome (412302203214).

The spelling of 200201101212 in words is "two hundred billion, two hundred one million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2111 4222 6333 8444 12666 14777 25332 29554 44331 59108 88662 177324 1129013 2258026 3387039 4516052 6774078 7903091 13548156 15806182 23709273 31612364 47418546 94837092 2383346443 4766692886 7150039329 9533385772 14300078658 16683425101 28600157316 33366850202 50050275303 66733700404 100100550606 200201101212