Base | Representation |
---|---|
bin | 1011000110001101000001… |
… | …0000100011101110100010 |
3 | 1121012102102200111010012122 |
4 | 2301203100100203232202 |
5 | 3044401024441402320 |
6 | 41541053204224242 |
7 | 2366336065230362 |
oct | 261432020435642 |
9 | 47172380433178 |
10 | 12201201122210 |
11 | 3984555a48991 |
12 | 145081169b082 |
13 | 6a6750806c59 |
14 | 3027814029a2 |
15 | 1625aba52d25 |
hex | b18d0423ba2 |
12201201122210 has 32 divisors (see below), whose sum is σ = 22363587914112. Its totient is φ = 4792081987840.
The previous prime is 12201201122179. The next prime is 12201201122233. The reversal of 12201201122210 is 1222110210221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50334806 + ... + 50576625.
It is an arithmetic number, because the mean of its divisors is an integer number (698862122316).
Almost surely, 212201201122210 is an apocalyptic number.
12201201122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12201201122210 is a deficient number, since it is larger than the sum of its proper divisors (10162386791902).
12201201122210 is a wasteful number, since it uses less digits than its factorization.
12201201122210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100911658.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12201201122210 its reverse (1222110210221), we get a palindrome (13423311332431).
The spelling of 12201201122210 in words is "twelve trillion, two hundred one billion, two hundred one million, one hundred twenty-two thousand, two hundred ten".
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