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121030201003120 = 24597109714217571
BaseRepresentation
bin11011100001001110001010…
…001000110100110001110000
3120212112101002210201101020121
4123201032022020310301300
5111330424322424044440
61105224301243420024
734331100131215033
oct3341161210646160
9525471083641217
10121030201003120
1135622690240812
12116a8569524614
13526c139606356
1421c5c704c501a
15ded41749c34a
hex6e138a234c70

121030201003120 has 80 divisors (see below), whose sum is σ = 284555376852768. Its totient is φ = 47869307043840.

The previous prime is 121030201003111. The next prime is 121030201003211. The reversal of 121030201003120 is 21300102030121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121030201003094 and 121030201003103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403935 + ... + 15621505.

Almost surely, 2121030201003120 is an apocalyptic number.

121030201003120 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 121030201003120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142277688426384).

121030201003120 is an abundant number, since it is smaller than the sum of its proper divisors (163525175849648).

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

121030201003120 is a wasteful number, since it uses less digits than its factorization.

121030201003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218778 (or 14218772 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121030201003120 its reverse (21300102030121), we get a palindrome (142330303033241).

The spelling of 121030201003120 in words is "one hundred twenty-one trillion, thirty billion, two hundred one million, three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 97 194 388 485 776 970 1097 1552 1940 2194 3880 4388 5485 7760 8776 10970 17552 21940 43880 87760 106409 212818 425636 532045 851272 1064090 1702544 2128180 4256360 8512720 14217571 28435142 56870284 71087855 113740568 142175710 227481136 284351420 568702840 1137405680 1379104387 2758208774 5516417548 6895521935 11032835096 13791043870 15596675387 22065670192 27582087740 31193350774 55164175480 62386701548 77983376935 110328350960 124773403096 155966753870 249546806192 311933507740 623867015480 1247734030960 1512877512539 3025755025078 6051510050156 7564387562695 12103020100312 15128775125390 24206040200624 30257550250780 60515100501560 121030201003120