Base | Representation |
---|---|
bin | 10001111011100101100… |
… | …000000011100000111001 |
3 | 11100210112220110002020010 |
4 | 101323211200003200321 |
5 | 130142032011011441 |
6 | 2342023034452133 |
7 | 155011223646456 |
oct | 21734540034071 |
9 | 4323486402203 |
10 | 1232211032121 |
11 | 43563a0052a3 |
12 | 17a988b94049 |
13 | 8c273a74a24 |
14 | 438d448282d |
15 | 220bc9b0116 |
hex | 11ee5803839 |
1232211032121 has 32 divisors (see below), whose sum is σ = 1685857525632. Its totient is φ = 800260231680.
The previous prime is 1232211032099. The next prime is 1232211032137. The reversal of 1232211032121 is 1212301122321.
It is not a de Polignac number, because 1232211032121 - 213 = 1232211023929 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1232211032621) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12595431 + ... + 12692883.
It is an arithmetic number, because the mean of its divisors is an integer number (52683047676).
Almost surely, 21232211032121 is an apocalyptic number.
It is an amenable number.
1232211032121 is a deficient number, since it is larger than the sum of its proper divisors (453646493511).
1232211032121 is a wasteful number, since it uses less digits than its factorization.
1232211032121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98073.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 1232211032121 its reverse (1212301122321), we get a palindrome (2444512154442).
The spelling of 1232211032121 in words is "one trillion, two hundred thirty-two billion, two hundred eleven million, thirty-two thousand, one hundred twenty-one".
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