Base | Representation |
---|---|
bin | 1010111010100011111111… |
… | …1111000001010110000010 |
3 | 1120111022020002212200102012 |
4 | 2232220333333001112002 |
5 | 3033111440300011320 |
6 | 41305140345452522 |
7 | 2346026136536351 |
oct | 256507777012602 |
9 | 46438202780365 |
10 | 12001212110210 |
11 | 390775a402184 |
12 | 1419ab97a1142 |
13 | 69092b86426b |
14 | 2d6c0c981998 |
15 | 15c2a454e4c5 |
hex | aea3ffc1582 |
12001212110210 has 16 divisors (see below), whose sum is σ = 21844902943800. Its totient is φ = 4746546811776.
The previous prime is 12001212110159. The next prime is 12001212110219. The reversal of 12001212110210 is 1201121210021.
It can be written as a sum of positive squares in 4 ways, for example, as 7478184829129 + 4523027281081 = 2734627^2 + 2126741^2 .
It is a super-2 number, since 2×120012121102102 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12001212110219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6742253105 + ... + 6742254884.
Almost surely, 212001212110210 is an apocalyptic number.
12001212110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12001212110210 is a deficient number, since it is larger than the sum of its proper divisors (9843690833590).
12001212110210 is a wasteful number, since it uses less digits than its factorization.
12001212110210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13484508085.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 12001212110210 its reverse (1201121210021), we get a palindrome (13202333320231).
The spelling of 12001212110210 in words is "twelve trillion, one billion, two hundred twelve million, one hundred ten thousand, two hundred ten".
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