Base | Representation |
---|---|
bin | 10001100111000110110… |
… | …011100000011011011000 |
3 | 11021200210101200220222121 |
4 | 101213012303200123120 |
5 | 124312013111413422 |
6 | 2323545024231024 |
7 | 153302260323130 |
oct | 21470663403330 |
9 | 4250711626877 |
10 | 1210221201112 |
11 | 427285354840 |
12 | 17667076b474 |
13 | 8a17b0734c1 |
14 | 42809bcbac0 |
15 | 217321de8c7 |
hex | 119c6ce06d8 |
1210221201112 has 64 divisors (see below), whose sum is σ = 2829217040640. Its totient is φ = 471493334400.
The previous prime is 1210221201109. The next prime is 1210221201149. The reversal of 1210221201112 is 2111021220121.
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 15 ways as a sum of consecutive naturals, for example, 24283083 + ... + 24332869.
It is an arithmetic number, because the mean of its divisors is an integer number (44206516260).
Almost surely, 21210221201112 is an apocalyptic number.
It is an amenable number.
1210221201112 is an abundant number, since it is smaller than the sum of its proper divisors (1618995839528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210221201112 is a wasteful number, since it uses less digits than its factorization.
1210221201112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89272 (or 89268 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 1210221201112 its reverse (2111021220121), we get a palindrome (3321242421233).
The spelling of 1210221201112 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, two hundred one thousand, one hundred twelve".
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