Base | Representation |
---|---|
bin | 10001011101101100101… |
… | …110111100011110000110 |
3 | 11020201201102201220022121 |
4 | 101131230232330132012 |
5 | 124130321222334342 |
6 | 2315154431120154 |
7 | 152464044500461 |
oct | 21355456743606 |
9 | 4221642656277 |
10 | 1200120121222 |
11 | 422a71580a30 |
12 | 17471197305a |
13 | 8922b454b59 |
14 | 4212c4762d8 |
15 | 21340517067 |
hex | 1176cbbc786 |
1200120121222 has 64 divisors (see below), whose sum is σ = 1986581376000. Its totient is φ = 539237191680.
The previous prime is 1200120121217. The next prime is 1200120121231. The reversal of 1200120121222 is 2221210210021.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1200120121196 and 1200120121205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 588581679 + ... + 588583717.
It is an arithmetic number, because the mean of its divisors is an integer number (31040334000).
Almost surely, 21200120121222 is an apocalyptic number.
1200120121222 is a deficient number, since it is larger than the sum of its proper divisors (786461254778).
1200120121222 is a wasteful number, since it uses less digits than its factorization.
1200120121222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3061.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1200120121222 its reverse (2221210210021), we get a palindrome (3421330331243).
The spelling of 1200120121222 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".
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