Base | Representation |
---|---|
bin | 10001110010001011011… |
… | …100001000110011111010 |
3 | 11022211110221210122100121 |
4 | 101302023130020303322 |
5 | 130010340142334320 |
6 | 2333232445123454 |
7 | 154203012426556 |
oct | 21621334106372 |
9 | 4284427718317 |
10 | 1222110121210 |
11 | 431326337440 |
12 | 178a2a25958a |
13 | 8b3241b5274 |
14 | 43216b72866 |
15 | 21bcad1c8aa |
hex | 11c8b708cfa |
1222110121210 has 64 divisors (see below), whose sum is σ = 2436232992768. Its totient is φ = 437699200000.
The previous prime is 1222110121207. The next prime is 1222110121217. The reversal of 1222110121210 is 121210112221.
It is not an unprimeable number, because it can be changed into a prime (1222110121217) 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, 1834050 + ... + 2409970.
It is an arithmetic number, because the mean of its divisors is an integer number (38066140512).
Almost surely, 21222110121210 is an apocalyptic number.
1222110121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1222110121210 is a deficient number, since it is larger than the sum of its proper divisors (1214122871558).
1222110121210 is a wasteful number, since it uses less digits than its factorization.
1222110121210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 576231.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 1222110121210 its reverse (121210112221), we get a palindrome (1343320233431).
The spelling of 1222110121210 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty-one thousand, two hundred ten".
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