| Base | Representation |
|---|---|
| bin | 100011110000110… |
| … | …1011001111100100 |
| 3 | 10002122000211112200 |
| 4 | 1013201223033210 |
| 5 | 4424200311322 |
| 6 | 315024214500 |
| 7 | 41510630022 |
| oct | 10741531744 |
| 9 | 3078024480 |
| 10 | 1200010212 |
| 11 | 566413485 |
| 12 | 295a6a430 |
| 13 | 1617c901b |
| 14 | b5533712 |
| 15 | 7053d8ac |
| hex | 4786b3e4 |
1200010212 has 72 divisors (see below), whose sum is σ = 3241438200. Its totient is φ = 372999168.
The previous prime is 1200010187. The next prime is 1200010261. The reversal of 1200010212 is 2120100021.
1200010212 is digitally balanced in base 4, 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 4 ways, for example, as 600446016 + 599564196 = 24504^2 + 24486^2 .
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 1200010194 and 1200010203.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57714 + ... + 75702.
It is an arithmetic number, because the mean of its divisors is an integer number (45019975).
Almost surely, 21200010212 is an apocalyptic number.
1200010212 is a gapful number since it is divisible by the number (12) 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 1200010212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620719100).
1200010212 is an abundant number, since it is smaller than the sum of its proper divisors (2041427988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1200010212 is a wasteful number, since it uses less digits than its factorization.
1200010212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18125 (or 18120 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 1200010212 is about 34641.1635485877. The cubic root of 1200010212 is about 1062.6615835822.
Adding to 1200010212 its reverse (2120100021), we get a palindrome (3320110233).
The spelling of 1200010212 in words is "one billion, two hundred million, ten thousand, two hundred twelve".
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