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121203310230 = 2335538469833
BaseRepresentation
bin111000011100001000…
…1111011111010010110
3102120211212102002211000
41300320101323322112
53441211021411410
6131402515324130
711520350065332
oct1607021737226
9376755362730
10121203310230
1147447121992
121b5a68b0646
13b57759a462
145c1b0987c2
153245946dc0
hex1c3847be96

121203310230 has 64 divisors (see below), whose sum is σ = 329307145920. Its totient is φ = 31711051008.

The previous prime is 121203310223. The next prime is 121203310321. The reversal of 121203310230 is 32013302121.

121203310230 is a `hidden beast` number, since 1 + 2 + 120 + 3 + 310 + 230 = 666.

121203310230 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 (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4220607 + ... + 4249226.

It is an arithmetic number, because the mean of its divisors is an integer number (5145424155).

Almost surely, 2121203310230 is an apocalyptic number.

121203310230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121203310230 is an abundant number, since it is smaller than the sum of its proper divisors (208103835690).

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

121203310230 is a wasteful number, since it uses less digits than its factorization.

121203310230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469902 (or 8469896 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121203310230 its reverse (32013302121), we get a palindrome (153216612351).

The spelling of 121203310230 in words is "one hundred twenty-one billion, two hundred three million, three hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 53 54 90 106 135 159 265 270 318 477 530 795 954 1431 1590 2385 2862 4770 7155 14310 8469833 16939666 25409499 42349165 50818998 76228497 84698330 127047495 152456994 228685491 254094990 381142485 448901149 457370982 762284970 897802298 1143427455 1346703447 2244505745 2286854910 2693406894 4040110341 4489011490 6733517235 8080220682 12120331023 13467034470 20200551705 24240662046 40401103410 60601655115 121203310230