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121010031202230 = 23356720717322891
BaseRepresentation
bin11011100000111011010111…
…111011001000111110110110
3120212110110001010200022222000
4123200323113323020332312
5111330112020441432410
61105211124010520130
734326454244561562
oct3340732773107666
9525413033608860
10121010031202230
113561507a985885
12116a467a736046
13526a2739b8c21
1421c4cb983c6a2
15decb3688edc0
hex6e0ed7ec8fb6

121010031202230 has 128 divisors (see below), whose sum is σ = 327526559285760. Its totient is φ = 31786076868480.

The previous prime is 121010031202219. The next prime is 121010031202253. The reversal of 121010031202230 is 32202130010121.

121010031202230 is a `hidden beast` number, since 1 + 21 + 0 + 100 + 312 + 0 + 2 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 374609085 + ... + 374931975.

It is an arithmetic number, because the mean of its divisors is an integer number (2558801244420).

Almost surely, 2121010031202230 is an apocalyptic number.

121010031202230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121010031202230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163763279642880).

121010031202230 is an abundant number, since it is smaller than the sum of its proper divisors (206516528083530).

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

121010031202230 is a wasteful number, since it uses less digits than its factorization.

121010031202230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343691 (or 343685 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121010031202230 its reverse (32202130010121), we get a palindrome (153212161212351).

The spelling of 121010031202230 in words is "one hundred twenty-one trillion, ten billion, thirty-one million, two hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 67 90 134 135 201 270 335 402 603 670 1005 1206 1809 2010 3015 3618 6030 9045 18090 20717 41434 62151 103585 124302 186453 207170 310755 322891 372906 559359 621510 645782 932265 968673 1118718 1388039 1614455 1864530 1937346 2776078 2796795 2906019 3228910 4164117 4843365 5593590 5812038 6940195 8328234 8718057 9686730 12492351 13880390 14530095 17436114 20820585 21633697 24984702 29060190 37477053 41641170 43267394 43590285 62461755 64901091 74954106 87180570 108168485 124923510 129802182 187385265 194703273 216336970 324505455 374770530 389406546 584109819 649010910 973516365 1168219638 1947032730 2920549095 5841098190 6689332847 13378665694 20067998541 33446664235 40135997082 60203995623 66893328470 100339992705 120407991246 180611986869 200679985410 301019978115 361223973738 448185300749 602039956230 896370601498 903059934345 1344555902247 1806119868690 2240926503745 2689111804494 4033667706741 4481853007490 6722779511235 8067335413482 12101003120223 13445559022470 20168338533705 24202006240446 40336677067410 60505015601115 121010031202230