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212111303200120 = 23517359868881301
BaseRepresentation
bin110000001110101000000010…
…111000010100110101111000
31000211000122100102022120020001
4300032220002320110311320
5210300212422104400440
62031042330521242344
762451351554036662
oct6016500270246570
91024018312276201
10212111303200120
1161648997a20855
121b9587123333b4
13914801916409c
143a543558db532
15197c77d6cab9a
hexc0ea02e14d78

212111303200120 has 64 divisors (see below), whose sum is σ = 506731575326400. Its totient is φ = 79631233382400.

The previous prime is 212111303200081. The next prime is 212111303200189. The reversal of 212111303200120 is 21002303111212.

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, 434196531 + ... + 434684770.

It is an arithmetic number, because the mean of its divisors is an integer number (7917680864475).

Almost surely, 2212111303200120 is an apocalyptic number.

212111303200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111303200120 is an abundant number, since it is smaller than the sum of its proper divisors (294620272126280).

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

212111303200120 is a wasteful number, since it uses less digits than its factorization.

212111303200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868881688 (or 868881684 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212111303200120 its reverse (21002303111212), we get a palindrome (233113606311332).

The spelling of 212111303200120 in words is "two hundred twelve trillion, one hundred eleven billion, three hundred three million, two hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 359 680 718 1436 1795 2872 3590 6103 7180 12206 14360 24412 30515 48824 61030 122060 244120 868881301 1737762602 3475525204 4344406505 6951050408 8688813010 14770982117 17377626020 29541964234 34755252040 59083928468 73854910585 118167856936 147709821170 295419642340 311928387059 590839284680 623856774118 1247713548236 1559641935295 2495427096472 3119283870590 5302782580003 6238567741180 10605565160006 12477135482360 21211130320012 26513912900015 42422260640024 53027825800030 106055651600060 212111303200120