| Base | Representation |
|---|---|
| bin | 100000010011101001100… |
| … | …001111101110111010100 |
| 3 | 21212020112001120100102000 |
| 4 | 200103221201331313110 |
| 5 | 242333302001321322 |
| 6 | 4415524244315300 |
| 7 | 316253446104102 |
| oct | 40235141756724 |
| 9 | 7766461510360 |
| 10 | 2220121120212 |
| 11 | 786603548456 |
| 12 | 2ba3360a2b30 |
| 13 | 131483387c28 |
| 14 | 79650d84c72 |
| 15 | 3cb3cb453ac |
| hex | 204e987ddd4 |
2220121120212 has 192 divisors, whose sum is σ = 5847651532800. Its totient is φ = 728346487680.
The previous prime is 2220121120183. The next prime is 2220121120219. The reversal of 2220121120212 is 2120211210222.
It is a happy number.
2220121120212 is a `hidden beast` number, since 2 + 220 + 1 + 211 + 20 + 212 = 666.
2220121120212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×22201211202122 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220121120219) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1803509637 + ... + 1803510867.
It is an arithmetic number, because the mean of its divisors is an integer number (30456518400).
Almost surely, 22220121120212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2220121120212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923825766400).
2220121120212 is an abundant number, since it is smaller than the sum of its proper divisors (3627530412588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220121120212 is a wasteful number, since it uses less digits than its factorization.
2220121120212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2243 (or 2235 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 2220121120212 its reverse (2120211210222), we get a palindrome (4340332330434).
The spelling of 2220121120212 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •