Base | Representation |
---|---|
bin | 1100010101110001000… |
… | …0000100000010010100 |
3 | 202021012201111100111220 |
4 | 3011130100010002110 |
5 | 11433134241042322 |
6 | 241220355330340 |
7 | 21213404502231 |
oct | 3053420040224 |
9 | 667181440456 |
10 | 212001112212 |
11 | 81a0011245a |
12 | 351068b09b0 |
13 | 16cb7782cc6 |
14 | a391d0c788 |
15 | 57abd6455c |
hex | 315c404094 |
212001112212 has 48 divisors (see below), whose sum is σ = 496664021952. Its totient is φ = 70382371840.
The previous prime is 212001112199. The next prime is 212001112223. The reversal of 212001112212 is 212211100212.
It is a junction number, because it is equal to n+sod(n) for n = 212001112191 and 212001112200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5948887 + ... + 5984417.
It is an arithmetic number, because the mean of its divisors is an integer number (10347167124).
Almost surely, 2212001112212 is an apocalyptic number.
It is an amenable number.
212001112212 is an abundant number, since it is smaller than the sum of its proper divisors (284662909740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212001112212 is a wasteful number, since it uses less digits than its factorization.
212001112212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37528 (or 37526 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 212001112212 its reverse (212211100212), we get a palindrome (424212212424).
The spelling of 212001112212 in words is "two hundred twelve billion, one million, one hundred twelve thousand, two hundred twelve".
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