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122420122142230 = 2511237277419547
BaseRepresentation
bin11011110101011100100111…
…111001001100011000010110
3121001110020201210112222210101
4123311130213321030120112
5112021212402232022410
61112211005553244314
734533363515033023
oct3365344771143026
9531406653488711
10122420122142230
113600909a510700
1211891a0b26369a
1353402250a0cc3
1422332462c054a
15e24665872d3a
hex6f5727e4c616

122420122142230 has 144 divisors (see below), whose sum is σ = 248991098268528. Its totient is φ = 43303130323200.

The previous prime is 122420122142189. The next prime is 122420122142261. The reversal of 122420122142230 is 32241221024221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12822884317 + ... + 12822893863.

It is an arithmetic number, because the mean of its divisors is an integer number (1729104849087).

Almost surely, 2122420122142230 is an apocalyptic number.

122420122142230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122420122142230 is an abundant number, since it is smaller than the sum of its proper divisors (126570976126298).

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

122420122142230 is a wasteful number, since it uses less digits than its factorization.

122420122142230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17391 (or 17343 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 122420122142230 its reverse (32241221024221), we get a palindrome (154661343166451).

The spelling of 122420122142230 in words is "one hundred twenty-two trillion, four hundred twenty billion, one hundred twenty-two million, one hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 37 55 74 110 121 185 242 370 407 605 814 1210 1369 2035 2738 4070 4477 6845 7741 8954 9547 13690 15059 15482 19094 22385 30118 38705 44770 47735 75295 77410 85151 95470 105017 150590 165649 170302 210034 286417 331298 353239 425755 525085 572834 706478 828245 851510 936661 1050170 1155187 1432085 1656490 1766195 1873322 2310374 2864170 3150587 3532390 3885629 4683305 5775935 6301174 7771258 9366610 10597429 11551870 13069843 15752935 19428145 21194858 26139686 31505870 34656457 38856290 42741919 52987145 65349215 69312914 73903327 85483838 105974290 116571719 130698430 143768273 147806654 173282285 213709595 233143438 287536546 346564570 369516635 427419190 582858595 718841365 739033270 812936597 1165717190 1282288909 1437682730 1581451003 1625873194 2564577818 2734423099 3162902006 4064682985 5468846198 6411444545 7907255015 8129365970 8942302567 12822889090 13672115495 15814510030 17884605134 27344230990 30078654089 44711512835 60157308178 89423025670 101173654663 150393270445 202347309326 300786540890 330865194979 505868273315 661730389958 1011736546630 1112910201293 1654325974895 2225820402586 3308651949790 5564551006465 11129102012930 12242012214223 24484024428446 61210061071115 122420122142230