Base | Representation |
---|---|
bin | 111000010110101101… |
… | …1001111101100110010 |
3 | 102120101011202000012012 |
4 | 1300231123033230302 |
5 | 3440322411414302 |
6 | 131332452202522 |
7 | 11513006144246 |
oct | 1605533175462 |
9 | 376334660165 |
10 | 121021201202 |
11 | 47363349760 |
12 | 1b555909442 |
13 | b548938635 |
14 | 5c00c12426 |
15 | 3234973a52 |
hex | 1c2d6cfb32 |
121021201202 has 32 divisors (see below), whose sum is σ = 201205952640. Its totient is φ = 54132174720.
The previous prime is 121021201183. The next prime is 121021201207. The reversal of 121021201202 is 202102120121.
It is a super-2 number, since 2×1210212012022 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (121021201207) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619208 + ... + 790860.
It is an arithmetic number, because the mean of its divisors is an integer number (6287686020).
Almost surely, 2121021201202 is an apocalyptic number.
121021201202 is a deficient number, since it is larger than the sum of its proper divisors (80184751438).
121021201202 is a wasteful number, since it uses less digits than its factorization.
121021201202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172178.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 121021201202 its reverse (202102120121), we get a palindrome (323123321323).
It can be divided in two parts, 121021 and 201202, that added together give a palindrome (322223).
The spelling of 121021201202 in words is "one hundred twenty-one billion, twenty-one million, two hundred one thousand, two hundred two".
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