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1230001212300 = 223527619601883
BaseRepresentation
bin10001111001100001110…
…010010000101110001100
311100120211220021121022120
4101321201302100232030
5130123020302243200
62341015454412540
7154602401541210
oct21714162205614
94316756247276
101230001212300
11434705688a23
1217a470b01150
138bcb0cb5833
1443764baa940
1521edd9a39a0
hex11e61c90b8c

1230001212300 has 144 divisors (see below), whose sum is σ = 4133879914752. Its totient is φ = 276534201600.

The previous prime is 1230001212299. The next prime is 1230001212397. The reversal of 1230001212300 is 32121000321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1230001212300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4672842 + ... + 4929041.

It is an arithmetic number, because the mean of its divisors is an integer number (28707499408).

Almost surely, 21230001212300 is an apocalyptic number.

1230001212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230001212300 is an abundant number, since it is smaller than the sum of its proper divisors (2903878702452).

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

1230001212300 is a wasteful number, since it uses less digits than its factorization.

1230001212300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601968 (or 9601961 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1230001212300 its reverse (32121000321), we get a palindrome (1262122212621).

The spelling of 1230001212300 in words is "one trillion, two hundred thirty billion, one million, two hundred twelve thousand, three hundred".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 61 70 75 84 100 105 122 140 150 175 183 210 244 300 305 350 366 420 427 525 610 700 732 854 915 1050 1220 1281 1525 1708 1830 2100 2135 2562 3050 3660 4270 4575 5124 6100 6405 8540 9150 10675 12810 18300 21350 25620 32025 42700 64050 128100 9601883 19203766 28805649 38407532 48009415 57611298 67213181 96018830 115222596 134426362 144028245 192037660 201639543 240047075 268852724 288056490 336065905 403279086 480094150 576112980 585714863 672131810 720141225 806558172 960188300 1008197715 1171429726 1344263620 1440282450 1680329525 1757144589 2016395430 2342859452 2880564900 2928574315 3360659050 3514289178 4032790860 4100004041 5040988575 5857148630 6721318100 7028578356 8200008082 8785722945 10081977150 11714297260 12300012123 14642871575 16400016164 17571445890 20163954300 20500020205 24600024246 29285743150 35142891780 41000040410 43928614725 49200048492 58571486300 61500060615 82000080820 87857229450 102500101025 123000121230 175714458900 205000202050 246000242460 307500303075 410000404100 615000606150 1230001212300