Base | Representation |
---|---|
bin | 1010111011101110001000… |
… | …0111011111110010000010 |
3 | 1120120012120222020102110020 |
4 | 2232323202013133302002 |
5 | 3033423214200011320 |
6 | 41322231143514310 |
7 | 2350332236001150 |
oct | 256734207376202 |
9 | 46505528212406 |
10 | 12021112110210 |
11 | 391514143a775 |
12 | 1421932158996 |
13 | 6927805c83a8 |
14 | 2d7b798763d0 |
15 | 15ca6b615940 |
hex | aeee21dfc82 |
12021112110210 has 96 divisors (see below), whose sum is σ = 34468096440960. Its totient is φ = 2628218275584.
The previous prime is 12021112110179. The next prime is 12021112110211. The reversal of 12021112110210 is 1201121112021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 12021112110210.
It is not an unprimeable number, because it can be changed into a prime (12021112110211) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53994195 + ... + 54216374.
It is an arithmetic number, because the mean of its divisors is an integer number (359042671260).
Almost surely, 212021112110210 is an apocalyptic number.
12021112110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12021112110210 is an abundant number, since it is smaller than the sum of its proper divisors (22446984330750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12021112110210 is a wasteful number, since it uses less digits than its factorization.
12021112110210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108210632 (or 108210609 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 12021112110210 its reverse (1201121112021), we get a palindrome (13222233222231).
The spelling of 12021112110210 in words is "twelve trillion, twenty-one billion, one hundred twelve million, one hundred ten thousand, two hundred ten".
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