Base | Representation |
---|---|
bin | 10110011000111001… |
… | …01111101111000100 |
3 | 1011000200210101122212 |
4 | 23030130233233010 |
5 | 144104111202322 |
6 | 5304422442552 |
7 | 603603334352 |
oct | 131434575704 |
9 | 34020711585 |
10 | 12020022212 |
11 | 5108a97660 |
12 | 23b5593458 |
13 | 11973550a3 |
14 | 8205507d2 |
15 | 4a53c80e2 |
hex | 2cc72fbc4 |
12020022212 has 48 divisors (see below), whose sum is σ = 24934318080. Its totient is φ = 5009104800.
The previous prime is 12020022211. The next prime is 12020022241. The reversal of 12020022212 is 21222002021.
It is a super-4 number, since 4×120200222124 (a number of 41 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (12020022211) 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 15 ways as a sum of consecutive naturals, for example, 205988 + ... + 257819.
It is an arithmetic number, because the mean of its divisors is an integer number (519464960).
Almost surely, 212020022212 is an apocalyptic number.
It is an amenable number.
12020022212 is an abundant number, since it is smaller than the sum of its proper divisors (12914295868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12020022212 is a wasteful number, since it uses less digits than its factorization.
12020022212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 463872 (or 463870 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 12020022212 its reverse (21222002021), we get a palindrome (33242024233).
The spelling of 12020022212 in words is "twelve billion, twenty million, twenty-two thousand, two hundred twelve".
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