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12102002000220 = 22351147390135461
BaseRepresentation
bin1011000000011011011110…
…0001111100000101011100
31120211221101022211121001110
42300012313201330011130
53041234400003001340
641423325530542020
72356224614503236
oct260066741740534
946757338747043
1012102002000220
1139464806a3340
121435547b97910
1369a2a1bc6c32
142dba50899256
1515ec02cb5680
hexb01b787c15c

12102002000220 has 96 divisors (see below), whose sum is σ = 37752628386816. Its totient is φ = 2871396985600.

The previous prime is 12102002000189. The next prime is 12102002000227. The reversal of 12102002000220 is 2200020020121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12102002000196 and 12102002000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102002000227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195036711 + ... + 195098750.

It is an arithmetic number, because the mean of its divisors is an integer number (393256545696).

Almost surely, 212102002000220 is an apocalyptic number.

12102002000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102002000220 is an abundant number, since it is smaller than the sum of its proper divisors (25650626386596).

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

12102002000220 is a wasteful number, since it uses less digits than its factorization.

12102002000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390135531 (or 390135529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12102002000220 its reverse (2200020020121), we get a palindrome (14302022020341).

The spelling of 12102002000220 in words is "twelve trillion, one hundred two billion, two million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 47 55 60 66 94 110 132 141 165 188 220 235 282 330 470 517 564 660 705 940 1034 1410 1551 2068 2585 2820 3102 5170 6204 7755 10340 15510 31020 390135461 780270922 1170406383 1560541844 1950677305 2340812766 3901354610 4291490071 4681625532 5852031915 7802709220 8582980142 11704063830 12874470213 17165960284 18336366667 21457450355 23408127660 25748940426 36672733334 42914900710 51497880852 55009100001 64372351065 73345466668 85829801420 91681833335 110018200002 128744702130 183363666670 201700033337 220036400004 257489404260 275045500005 366727333340 403400066674 550091000010 605100100011 806800133348 1008500166685 1100182000020 1210200200022 2017000333370 2420400400044 3025500500055 4034000666740 6051001000110 12102002000220