| Base | Representation |
|---|---|
| bin | 1011101101100010000… |
| … | …1101101001010011100 |
| 3 | 201020100001120110212010 |
| 4 | 2323120201231022130 |
| 5 | 11244030002210022 |
| 6 | 232233000111220 |
| 7 | 20351645032005 |
| oct | 2733041551234 |
| 9 | 636301513763 |
| 10 | 201201210012 |
| 11 | 78368924050 |
| 12 | 32bb1a65510 |
| 13 | 15c8614832a |
| 14 | 9a498481ac |
| 15 | 5378b4d50c |
| hex | 2ed886d29c |
201201210012 has 96 divisors (see below), whose sum is σ = 526817781504. Its totient is φ = 59247820800.
The previous prime is 201201209999. The next prime is 201201210037. The reversal of 201201210012 is 210012102102.
201201210012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a self number, because there is not a number n which added to its sum of digits gives 201201210012.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 517788 + ... + 818844.
It is an arithmetic number, because the mean of its divisors is an integer number (5487685224).
Almost surely, 2201201210012 is an apocalyptic number.
201201210012 is a gapful number since it is divisible by the number (22) 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 201201210012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263408890752).
201201210012 is an abundant number, since it is smaller than the sum of its proper divisors (325616571492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201201210012 is a wasteful number, since it uses less digits than its factorization.
201201210012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 301219 (or 301217 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 201201210012 its reverse (210012102102), we get a palindrome (411213312114).
The spelling of 201201210012 in words is "two hundred one billion, two hundred one million, two hundred ten thousand, twelve".
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