Base | Representation |
---|---|
bin | 11011100011101100011111… |
… | …100110000111000101001111 |
3 | 120220010121221011210112022111 |
4 | 123203230133212013011033 |
5 | 111341221013311204444 |
6 | 1105434335301524451 |
7 | 34346266146510226 |
oct | 3343543746070517 |
9 | 526117834715274 |
10 | 121200212209999 |
11 | 356887a312286a |
12 | 117154b5a13727 |
13 | 5282191985410 |
14 | 21d019b837cbd |
15 | e02a67cad234 |
hex | 6e3b1f98714f |
121200212209999 has 64 divisors (see below), whose sum is σ = 146127502725120. Its totient is φ = 99383351316480.
The previous prime is 121200212209961. The next prime is 121200212210023. The reversal of 121200212209999 is 999902212002121.
It is a cyclic number.
It is not a de Polignac number, because 121200212209999 - 211 = 121200212207951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121200212200999) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221849194 + ... + 222394840.
It is an arithmetic number, because the mean of its divisors is an integer number (2283242230080).
Almost surely, 2121200212209999 is an apocalyptic number.
121200212209999 is a deficient number, since it is larger than the sum of its proper divisors (24927290515121).
121200212209999 is a wasteful number, since it uses less digits than its factorization.
121200212209999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 546280.
The product of its (nonzero) digits is 209952, while the sum is 49.
The spelling of 121200212209999 in words is "one hundred twenty-one trillion, two hundred billion, two hundred twelve million, two hundred nine thousand, nine hundred ninety-nine".
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