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12003213311 = 197970911279
BaseRepresentation
bin10110010110111001…
…00111111111111111
31010222112011102011222
423023130213333333
5144040310311221
65303022303555
7603310425665
oct131334477777
933875142158
1012003213311
1150aa556901
1223aba27bbb
131193a1b2ab
1481c216c35
154a3ba79ab
hex2cb727fff

12003213311 has 16 divisors (see below), whose sum is σ = 12814080000. Its totient is φ = 11210692896.

The previous prime is 12003213301. The next prime is 12003213331. The reversal of 12003213311 is 11331230021.

It is a cyclic number.

It is not a de Polignac number, because 12003213311 - 26 = 12003213247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12003213311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003213301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058570 + ... + 1069848.

It is an arithmetic number, because the mean of its divisors is an integer number (800880000).

Almost surely, 212003213311 is an apocalyptic number.

12003213311 is a deficient number, since it is larger than the sum of its proper divisors (810866689).

12003213311 is a wasteful number, since it uses less digits than its factorization.

12003213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12086.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12003213311 its reverse (11331230021), we get a palindrome (23334443332).

The spelling of 12003213311 in words is "twelve billion, three million, two hundred thirteen thousand, three hundred eleven".

Divisors: 1 19 79 709 1501 11279 13471 56011 214301 891041 1064209 7996811 16929779 151939409 631748069 12003213311