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121201001102000 = 2453194691679919
BaseRepresentation
bin11011100011101101001110…
…100111011111101010110000
3120220010200222011020101200202
4123203231032213133222300
5111341224122240231000
61105434545442334332
734346324536131011
oct3343551647375260
9526120864211622
10121201001102000
1135689068467026
121171569605a3a8
135282289249311
1421d0234511008
15e02ab218ddd5
hex6e3b4e9dfab0

121201001102000 has 160 divisors (see below), whose sum is σ = 308554658380800. Its totient is φ = 45918942048000.

The previous prime is 121201001101931. The next prime is 121201001102029. The reversal of 121201001102000 is 201100102121.

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, 177918041 + ... + 178597959.

It is an arithmetic number, because the mean of its divisors is an integer number (1928466614880).

Almost surely, 2121201001102000 is an apocalyptic number.

121201001102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121201001102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154277329190400).

121201001102000 is an abundant number, since it is smaller than the sum of its proper divisors (187353657278800).

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

121201001102000 is a wasteful number, since it uses less digits than its factorization.

121201001102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684652 (or 684636 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121201001102000 its reverse (201100102121), we get a palindrome (121402101204121).

The spelling of 121201001102000 in words is "one hundred twenty-one trillion, two hundred one billion, one million, one hundred two thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 125 152 190 200 250 304 380 400 475 500 760 950 1000 1520 1900 2000 2375 3800 4691 4750 7600 9382 9500 18764 19000 23455 37528 38000 46910 75056 89129 93820 117275 178258 187640 234550 356516 375280 445645 469100 586375 679919 713032 891290 938200 1172750 1359838 1426064 1782580 1876400 2228225 2345500 2719676 3399595 3565160 4456450 4691000 5439352 6799190 7130320 8912900 9382000 10878704 11141125 12918461 13598380 16997975 17825800 22282250 25836922 27196760 33995950 35651600 44564500 51673844 54393520 64592305 67991900 84989875 89129000 103347688 129184610 135983800 169979750 178258000 206695376 258369220 271967600 322961525 339959500 516738440 645923050 679919000 1033476880 1291846100 1359838000 1614807625 2583692200 3189500029 3229615250 5167384400 6379000058 6459230500 12758000116 12918461000 15947500145 25516000232 25836922000 31895000290 51032000464 60600500551 63790000580 79737500725 121201001102 127580001160 159475001450 242402002204 255160002320 303002502755 318950002900 398687503625 484804004408 606005005510 637900005800 797375007250 969608008816 1212010011020 1275800011600 1515012513775 1594750014500 2424020022040 3030025027550 3189500029000 4848040044080 6060050055100 6379000058000 7575062568875 12120100110200 15150125137750 24240200220400 30300250275500 60600500551000 121201001102000