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1200212212210 = 251110911020111
BaseRepresentation
bin10001011101110010001…
…110001111100111110010
311020201221212000121101221
4101131302032033213302
5124131013311242320
62315211521015254
7152466243322354
oct21356216174762
94221855017357
101200212212210
11423009560290
1217473878452a
138924455976b
144213a7a90d4
15213486583aa
hex1177238f9f2

1200212212210 has 16 divisors (see below), whose sum is σ = 2356780344192. Its totient is φ = 436440804400.

The previous prime is 1200212212207. The next prime is 1200212212279. The reversal of 1200212212210 is 122122120021.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 5455509946 + ... + 5455510165.

It is an arithmetic number, because the mean of its divisors is an integer number (147298771512).

Almost surely, 21200212212210 is an apocalyptic number.

1200212212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200212212210 is a deficient number, since it is larger than the sum of its proper divisors (1156568131982).

1200212212210 is a wasteful number, since it uses less digits than its factorization.

1200212212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10911020129.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1200212212210 its reverse (122122120021), we get a palindrome (1322334332231).

The spelling of 1200212212210 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 10911020111 21822040222 54555100555 109110201110 120021221221 240042442442 600106106105 1200212212210