Base | Representation |
---|---|
bin | 110000001111111100101100… |
… | …110011111101011100101100 |
3 | 1000211100022222020120211201200 |
4 | 300033330230303331130230 |
5 | 210303210101424341022 |
6 | 2031152202333005500 |
7 | 62461050234506631 |
oct | 6017745463753454 |
9 | 1024308866524650 |
10 | 212202201012012 |
11 | 616834a240a242 |
12 | 1b97225b923890 |
13 | 9153773c94ab3 |
14 | 3a588d9b46188 |
15 | 197eced7a0bac |
hex | c0ff2ccfd72c |
212202201012012 has 72 divisors (see below), whose sum is σ = 536688981100272. Its totient is φ = 70695967708800.
The previous prime is 212202201011987. The next prime is 212202201012019. The reversal of 212202201012012 is 210210102202212.
It is a happy number.
212202201012012 is a `hidden beast` number, since 21 + 220 + 220 + 1 + 0 + 1 + 201 + 2 = 666.
It is a super-2 number, since 2×2122022010120122 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (212202201012019) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 752784358 + ... + 753066194.
Almost surely, 2212202201012012 is an apocalyptic number.
It is an amenable number.
212202201012012 is an abundant number, since it is smaller than the sum of its proper divisors (324486780088260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212202201012012 is a wasteful number, since it uses less digits than its factorization.
212202201012012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 293039 (or 293034 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 212202201012012 its reverse (210210102202212), we get a palindrome (422412303214224).
The spelling of 212202201012012 in words is "two hundred twelve trillion, two hundred two billion, two hundred one million, twelve thousand, twelve".
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