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1200220000212 = 223593827344293
BaseRepresentation
bin10001011101110010101…
…011111100111111010100
311020201222101200021112110
4101131302223330333110
5124131022310001322
62315212355551020
7152466366450042
oct21356253747724
94221871607473
101200220000212
1142301299a552
1217473b2bb470
138924605554c
144213b835392
1521349195c0c
hex11772afcfd4

1200220000212 has 48 divisors (see below), whose sum is σ = 2848118374080. Its totient is φ = 393273274368.

The previous prime is 1200220000207. The next prime is 1200220000289. The reversal of 1200220000212 is 2120000220021.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27075138 + ... + 27119430.

It is an arithmetic number, because the mean of its divisors is an integer number (59335799460).

Almost surely, 21200220000212 is an apocalyptic number.

1200220000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200220000212 is an abundant number, since it is smaller than the sum of its proper divisors (1647898373868).

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

1200220000212 is a wasteful number, since it uses less digits than its factorization.

1200220000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82632 (or 82630 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1200220000212 its reverse (2120000220021), we get a palindrome (3320220220233).

The spelling of 1200220000212 in words is "one trillion, two hundred billion, two hundred twenty million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 38273 44293 76546 88586 114819 132879 153092 177172 229638 265758 459276 531516 2258107 2613287 4516214 5226574 6774321 7839861 9032428 10453148 13548642 15679722 27097284 31359444 1695225989 3390451978 5085677967 6780903956 10171355934 20342711868 100018333351 200036666702 300055000053 400073333404 600110000106 1200220000212