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121611216103230 = 23574158812401703
BaseRepresentation
bin11011101001101011010001…
…010101100010011100111110
3120221120220210202010121001110
4123221223101111202130332
5111414434232310300410
61110351231005422450
734421056206120510
oct3351532125423476
9527526722117043
10121611216103230
1135827033101aa7
121178109a26aa26
1352b1b71c82189
14220602b201bb0
15e0d5c0764720
hex6e9ad156273e

121611216103230 has 128 divisors (see below), whose sum is σ = 341756100274176. Its totient is φ = 27114254899200.

The previous prime is 121611216103151. The next prime is 121611216103249. The reversal of 121611216103230 is 32301612116121.

121611216103230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49434559 + ... + 51836261.

It is an arithmetic number, because the mean of its divisors is an integer number (2669969533392).

Almost surely, 2121611216103230 is an apocalyptic number.

121611216103230 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 121611216103230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170878050137088).

121611216103230 is an abundant number, since it is smaller than the sum of its proper divisors (220144884170946).

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

121611216103230 is a wasteful number, since it uses less digits than its factorization.

121611216103230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407642.

The product of its (nonzero) digits is 2592, while the sum is 30.

Adding to 121611216103230 its reverse (32301612116121), we get a palindrome (153912828219351).

The spelling of 121611216103230 in words is "one hundred twenty-one trillion, six hundred eleven billion, two hundred sixteen million, one hundred three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 41 42 70 82 105 123 205 210 246 287 410 574 615 861 1230 1435 1722 2870 4305 5881 8610 11762 17643 29405 35286 41167 58810 82334 88215 123501 176430 205835 241121 247002 411670 482242 617505 723363 1205605 1235010 1446726 1687847 2401703 2411210 3375694 3616815 4803406 5063541 7205109 7233630 8439235 10127082 12008515 14410218 16811921 16878470 24017030 25317705 33623842 36025545 50435763 50635410 72051090 84059605 98469823 100871526 168119210 196939646 252178815 295409469 492349115 504357630 590818938 689288761 984698230 1378577522 1477047345 2067866283 2954094690 3446443805 4135732566 6892887610 10339331415 14124415343 20678662830 28248830686 42373246029 70622076715 84746492058 98870907401 141244153430 197741814802 211866230145 296612722203 423732460290 494354537005 579101029063 593225444406 988709074010 1158202058126 1483063611015 1737303087189 2895505145315 2966127222030 3474606174378 4053707203441 5791010290630 8107414406882 8686515435945 12161121610323 17373030871890 20268536017205 24322243220646 40537072034410 60805608051615 121611216103230