Base | Representation |
---|---|
bin | 10001101000110000110… |
… | …101111001000001000100 |
3 | 11021212101101012222210011 |
4 | 101220300311321001010 |
5 | 124324134023223022 |
6 | 2324441334440004 |
7 | 153364331545663 |
oct | 21506065710104 |
9 | 4255341188704 |
10 | 1212000211012 |
11 | 428008582258 |
12 | 176a88503004 |
13 | 8a3a27c4596 |
14 | 4293819cdda |
15 | 217d849d977 |
hex | 11a30d79044 |
1212000211012 has 12 divisors (see below), whose sum is σ = 2124151934716. Its totient is φ = 605099658240.
The previous prime is 1212000210973. The next prime is 1212000211033. The reversal of 1212000211012 is 2101120002121.
It can be written as a sum of positive squares in 2 ways, for example, as 659808545796 + 552191665216 = 812286^2 + 743096^2 .
It is a super-2 number, since 2×12120002110122 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1212000210983 and 1212000211001.
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, 225108789 + ... + 225114172.
Almost surely, 21212000211012 is an apocalyptic number.
It is an amenable number.
1212000211012 is a deficient number, since it is larger than the sum of its proper divisors (912151723704).
1212000211012 is a wasteful number, since it uses less digits than its factorization.
1212000211012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450223638 (or 450223636 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1212000211012 its reverse (2101120002121), we get a palindrome (3313120213133).
The spelling of 1212000211012 in words is "one trillion, two hundred twelve billion, two hundred eleven thousand, twelve".
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