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200120102112 = 25372311128861
BaseRepresentation
bin1011101001100000010…
…1100110110011100000
3201010112201021111121210
42322120011212303200
511234321221231422
6231533420150120
720313106541640
oct2723005466340
9633481244553
10200120102112
1177963642747
123294b998340
1315b43180708
149986026520
155313c9a10c
hex2e98166ce0

200120102112 has 96 divisors (see below), whose sum is σ = 600624751104. Its totient is φ = 57151987200.

The previous prime is 200120102101. The next prime is 200120102123. The reversal of 200120102112 is 211201021002.

It is an interprime number because it is at equal distance from previous prime (200120102101) and next prime (200120102123).

It is a tau number, because it is divible by the number of its divisors (96).

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488562 + ... + 1617422.

It is an arithmetic number, because the mean of its divisors is an integer number (6256507824).

Almost surely, 2200120102112 is an apocalyptic number.

It is an amenable number.

200120102112 is an abundant number, since it is smaller than the sum of its proper divisors (400504648992).

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

200120102112 is a wasteful number, since it uses less digits than its factorization.

200120102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131192 (or 131184 counting only the distinct ones).

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

Adding to 200120102112 its reverse (211201021002), we get a palindrome (411321123114).

The spelling of 200120102112 in words is "two hundred billion, one hundred twenty million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 2311 4622 6933 9244 13866 16177 18488 27732 32354 36976 48531 55464 64708 73952 97062 110928 128861 129416 194124 221856 257722 258832 386583 388248 515444 517664 773166 776496 902027 1030888 1546332 1552992 1804054 2061776 2706081 3092664 3608108 4123552 5412162 6185328 7216216 10824324 12370656 14432432 21648648 28864864 43297296 86594592 297797771 595595542 893393313 1191191084 1786786626 2084584397 2382382168 3573573252 4169168794 4764764336 6253753191 7147146504 8338337588 9529528672 12507506382 14294293008 16676675176 25015012764 28588586016 33353350352 50030025528 66706700704 100060051056 200120102112