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121230203231232 = 2103241320837047
BaseRepresentation
bin11011100100001000011011…
…001100110001110000000000
3120220020111100022012021010200
4123210020123030301300000
5111342213424011344412
61105500215253325200
734351410310132014
oct3344103314616000
9526214308167120
10121230203231232
113569a493293a27
121171b285936800
135284c61225724
1421d18049c6544
15e03720c119dc
hex6e421b331c00

121230203231232 has 132 divisors (see below), whose sum is σ = 358587376741776. Its totient is φ = 39424456212480.

The previous prime is 121230203231209. The next prime is 121230203231261. The reversal of 121230203231232 is 232132302032121.

121230203231232 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 302 + 0 + 323 + 1 + 2 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121230203231196 and 121230203231205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160040668 + ... + 160796379.

Almost surely, 2121230203231232 is an apocalyptic number.

121230203231232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121230203231232 is an abundant number, since it is smaller than the sum of its proper divisors (237357173510544).

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

121230203231232 is a wasteful number, since it uses less digits than its factorization.

121230203231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320837114 (or 320837093 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 121230203231232 its reverse (232132302032121), we get a palindrome (353362505263353).

The spelling of 121230203231232 in words is "one hundred twenty-one trillion, two hundred thirty billion, two hundred three million, two hundred thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 41 48 64 72 82 96 123 128 144 164 192 246 256 288 328 369 384 492 512 576 656 738 768 984 1024 1152 1312 1476 1536 1968 2304 2624 2952 3072 3936 4608 5248 5904 7872 9216 10496 11808 15744 20992 23616 31488 41984 47232 62976 94464 125952 188928 377856 320837047 641674094 962511141 1283348188 1925022282 2566696376 2887533423 3850044564 5133392752 5775066846 7700089128 10266785504 11550133692 13154318927 15400178256 20533571008 23100267384 26308637854 30800356512 39462956781 41067142016 46200534768 52617275708 61600713024 78925913562 82134284032 92401069536 105234551416 118388870343 123201426048 157851827124 164268568064 184802139072 210469102832 236777740686 246402852096 315703654248 328537136128 369604278144 420938205664 473555481372 492805704192 631407308496 739208556288 841876411328 947110962744 985611408384 1262814616992 1478417112576 1683752822656 1894221925488 2525629233984 2956834225152 3367505645312 3788443850976 5051258467968 6735011290624 7576887701952 10102516935936 13470022581248 15153775403904 20205033871872 30307550807808 40410067743744 60615101615616 121230203231232