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212112322132 = 221931227613647
BaseRepresentation
bin1100010110001011100…
…0010010111001010100
3202021111110202101211211
43011202320102321110
511433401223302012
6241235411111204
721216224663344
oct3054270227124
9667443671754
10212112322132
1181a57970087
1235137ba2504
131700481cca9
14a3a29bad24
1557b69d06a7
hex3162e12e54

212112322132 has 96 divisors (see below), whose sum is σ = 406402375680. Its totient is φ = 96497516160.

The previous prime is 212112322129. The next prime is 212112322153. The reversal of 212112322132 is 231223211212.

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 31 ways as a sum of consecutive naturals, for example, 327839433 + ... + 327840079.

It is an arithmetic number, because the mean of its divisors is an integer number (4233358080).

Almost surely, 2212112322132 is an apocalyptic number.

It is an amenable number.

212112322132 is a deficient number, since it is larger than the sum of its proper divisors (194290053548).

212112322132 is a wasteful number, since it uses less digits than its factorization.

212112322132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1539 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 212112322132 its reverse (231223211212), we get a palindrome (443335533344).

The spelling of 212112322132 in words is "two hundred twelve billion, one hundred twelve million, three hundred twenty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 19 31 38 62 76 124 227 454 589 613 647 908 1178 1226 1294 2356 2452 2588 4313 7037 8626 11647 12293 14074 17252 19003 20057 23294 24586 28148 38006 40114 46588 49172 76012 80228 133703 139151 146869 267406 278302 293738 361057 381083 396611 534812 556604 587476 722114 762166 793222 1444228 1524332 1586444 2643869 2790511 4313681 4552939 5287738 5581022 7535609 8627362 9105878 10575476 11162044 12294941 15071218 17254724 18211756 24589882 30142436 49179764 81959939 86505841 90030697 163919878 173011682 180061394 233603879 327839756 346023364 360122788 467207758 934415516 1710583243 2790951607 3421166486 5581903214 6842332972 11163806428 53028080533 106056161066 212112322132