| Base | Representation |
|---|---|
| bin | 1011000111010011011101… |
| … | …1000110111010100000100 |
| 3 | 1121021020020120011201110200 |
| 4 | 2301310313120313110010 |
| 5 | 3100203241433101040 |
| 6 | 41553501441250500 |
| 7 | 2400605514354612 |
| oct | 261646730672404 |
| 9 | 47236216151420 |
| 10 | 12220111222020 |
| 11 | 399157a230849 |
| 12 | 145440a633a30 |
| 13 | 6a8475459020 |
| 14 | 303656a586b2 |
| 15 | 162d16c80630 |
| hex | b1d37637504 |
12220111222020 has 288 divisors, whose sum is σ = 40901659029504. Its totient is φ = 2934015436800.
The previous prime is 12220111221971. The next prime is 12220111222037. The reversal of 12220111222020 is 2022211102221.
It is a happy number.
12220111222020 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 2×122201112220202 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12220111221984 and 12220111222002.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 547902189 + ... + 547924491.
It is an arithmetic number, because the mean of its divisors is an integer number (142019649408).
Almost surely, 212220111222020 is an apocalyptic number.
12220111222020 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 12220111222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20450829514752).
12220111222020 is an abundant number, since it is smaller than the sum of its proper divisors (28681547807484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220111222020 is a wasteful number, since it uses less digits than its factorization.
12220111222020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28083 (or 28078 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 12220111222020 its reverse (2022211102221), we get a palindrome (14242322324241).
The spelling of 12220111222020 in words is "twelve trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty-two thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •