Base | Representation |
---|---|
bin | 1110011101101… |
… | …10000111110100 |
3 | 22110022022111122 |
4 | 13032312013310 |
5 | 222030112322 |
6 | 20012323112 |
7 | 3002210141 |
oct | 716660764 |
9 | 273268448 |
10 | 121332212 |
11 | 62541761 |
12 | 34773498 |
13 | 1c1a2411 |
14 | 121853c8 |
15 | a9ba442 |
hex | 73b61f4 |
121332212 has 12 divisors (see below), whose sum is σ = 212879940. Its totient is φ = 60509376.
The previous prime is 121332203. The next prime is 121332217. The reversal of 121332212 is 212233121.
It can be written as a sum of positive squares in 2 ways, for example, as 51208336 + 70123876 = 7156^2 + 8374^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121332217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37433 + ... + 40544.
It is an arithmetic number, because the mean of its divisors is an integer number (17739995).
Almost surely, 2121332212 is an apocalyptic number.
It is an amenable number.
121332212 is a deficient number, since it is larger than the sum of its proper divisors (91547728).
121332212 is a wasteful number, since it uses less digits than its factorization.
121332212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78370 (or 78368 counting only the distinct ones).
The product of its digits is 144, while the sum is 17.
The square root of 121332212 is about 11015.0901948191. The cubic root of 121332212 is about 495.0609889822.
Adding to 121332212 its reverse (212233121), we get a palindrome (333565333).
Subtracting 121332212 from its reverse (212233121), we obtain a palindrome (90900909).
The spelling of 121332212 in words is "one hundred twenty-one million, three hundred thirty-two thousand, two hundred twelve".
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