| Base | Representation |
|---|---|
| bin | 111000011111000101… |
| … | …0110101101101101010 |
| 3 | 102121002202022210220200 |
| 4 | 1300332022311231222 |
| 5 | 3441411320110010 |
| 6 | 131420405133030 |
| 7 | 11522656643412 |
| oct | 1607612655552 |
| 9 | 377082283820 |
| 10 | 121302113130 |
| 11 | 47497975a80 |
| 12 | 1b6139ba176 |
| 13 | b591bb2103 |
| 14 | 5c2a257642 |
| 15 | 324e461cc0 |
| hex | 1c3e2b5b6a |
121302113130 has 192 divisors, whose sum is σ = 353910705408. Its totient is φ = 28566881280.
The previous prime is 121302113047. The next prime is 121302113131. The reversal of 121302113130 is 31311203121.
121302113130 is a `hidden beast` number, since 12 + 130 + 211 + 313 + 0 = 666.
It is a super-3 number, since 3×1213021131303 (a number of 34 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (121302113131) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27213862 + ... + 27218318.
It is an arithmetic number, because the mean of its divisors is an integer number (1843284924).
Almost surely, 2121302113130 is an apocalyptic number.
121302113130 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 121302113130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176955352704).
121302113130 is an abundant number, since it is smaller than the sum of its proper divisors (232608592278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121302113130 is a wasteful number, since it uses less digits than its factorization.
121302113130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5261 (or 5258 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 121302113130 its reverse (31311203121), we get a palindrome (152613316251).
It can be divided in two parts, 121302 and 113130, that added together give a palindrome (234432).
The spelling of 121302113130 in words is "one hundred twenty-one billion, three hundred two million, one hundred thirteen thousand, one hundred thirty".
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