Base | Representation |
---|---|
bin | 1011000111010011100000… |
… | …0010011100001111111010 |
3 | 1121021020021022200110100101 |
4 | 2301310320002130033322 |
5 | 3100203302230334320 |
6 | 41553502511030014 |
7 | 2400606006120643 |
oct | 261647002341772 |
9 | 47236238613311 |
10 | 12220122121210 |
11 | 39915853a5543 |
12 | 145441220b30a |
13 | 6a84777a3c53 |
14 | 3036582946ca |
15 | 162d17bd4c0a |
hex | b1d3809c3fa |
12220122121210 has 8 divisors (see below), whose sum is σ = 21996219818196. Its totient is φ = 4888048848480.
The previous prime is 12220122121159. The next prime is 12220122121243. The reversal of 12220122121210 is 1212122102221.
12220122121210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 10745041429369 + 1475080691841 = 3277963^2 + 1214529^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611006106051 + ... + 611006106070.
Almost surely, 212220122121210 is an apocalyptic number.
12220122121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12220122121210 is a deficient number, since it is larger than the sum of its proper divisors (9776097696986).
12220122121210 is a wasteful number, since it uses less digits than its factorization.
12220122121210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1222012212128.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 12220122121210 its reverse (1212122102221), we get a palindrome (13432244223431).
The spelling of 12220122121210 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred ten".
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