Base | Representation |
---|---|
bin | 1011000110001001010111… |
… | …1010010110001110011100 |
3 | 1121012022220110111210111010 |
4 | 2301202111322112032130 |
5 | 3044342023342034322 |
6 | 41540412115055220 |
7 | 2366302610553534 |
oct | 261422572261634 |
9 | 47168813453433 |
10 | 12200222221212 |
11 | 39840a34260a3 |
12 | 14505998a1510 |
13 | 6a6625a764ac |
14 | 3026cb3c84c4 |
15 | 162550b3d20c |
hex | b1895e9639c |
12200222221212 has 24 divisors (see below), whose sum is σ = 29072869975296. Its totient is φ = 3980214341488.
The previous prime is 12200222221211. The next prime is 12200222221277. The reversal of 12200222221212 is 21212222200221.
12200222221212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200222221211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10815799278 + ... + 10815800405.
It is an arithmetic number, because the mean of its divisors is an integer number (1211369582304).
Almost surely, 212200222221212 is an apocalyptic number.
12200222221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12200222221212 is an abundant number, since it is smaller than the sum of its proper divisors (16872647754084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12200222221212 is a wasteful number, since it uses less digits than its factorization.
12200222221212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21631599737 (or 21631599735 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 12200222221212 its reverse (21212222200221), we get a palindrome (33412444421433).
The spelling of 12200222221212 in words is "twelve trillion, two hundred billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred twelve".
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