| Base | Representation |
|---|---|
| bin | 10001110011001101101… |
| … | …110000010011100110000 |
| 3 | 11022221100110012112012121 |
| 4 | 101303031232002130300 |
| 5 | 130020124330010000 |
| 6 | 2333535051004024 |
| 7 | 154242404244442 |
| oct | 21631556023460 |
| 9 | 4287313175177 |
| 10 | 1223222110000 |
| 11 | 431846aa0040 |
| 12 | 17909a739614 |
| 13 | 8b4706a2ab7 |
| 14 | 432c0712492 |
| 15 | 21c43770b1a |
| hex | 11ccdb82730 |
1223222110000 has 400 divisors, whose sum is σ = 3405332544768. Its totient is φ = 421168000000.
The previous prime is 1223222109997. The next prime is 1223222110003. The reversal of 1223222110000 is 112223221.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1223222109997) and next prime (1223222110003).
It is a tau number, because it is divible by the number of its divisors (400).
It is a Harshad number since it is a multiple of its sum of digits (16).
It is not an unprimeable number, because it can be changed into a prime (1223222110003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 255527607 + ... + 255532393.
Almost surely, 21223222110000 is an apocalyptic number.
1223222110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1223222110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702666272384).
1223222110000 is an abundant number, since it is smaller than the sum of its proper divisors (2182110434768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223222110000 is a wasteful number, since it uses less digits than its factorization.
1223222110000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4950 (or 4929 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 1223222110000 its reverse (112223221), we get a palindrome (1223334333221).
It can be divided in two parts, 122322 and 2110000, that added together give a palindrome (2232322).
The spelling of 1223222110000 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-two million, one hundred ten thousand".
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