Base | Representation |
---|---|
bin | 1011000110001000111101… |
… | …0010111000011010111100 |
3 | 1121012022121201121221202222 |
4 | 2301202033102320122330 |
5 | 3044341311432242340 |
6 | 41540353111504512 |
7 | 2366300062160261 |
oct | 261421722703274 |
9 | 47168551557688 |
10 | 12200111212220 |
11 | 39840467a5428 |
12 | 1450568688138 |
13 | 6a6608a79ab9 |
14 | 3026ba76d268 |
15 | 1625460118b5 |
hex | b188f4b86bc |
12200111212220 has 48 divisors (see below), whose sum is σ = 25639799524416. Its totient is φ = 4876318848000.
The previous prime is 12200111212181. The next prime is 12200111212243. The reversal of 12200111212220 is 2221211100221.
12200111212220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 175680905 + ... + 175750335.
It is an arithmetic number, because the mean of its divisors is an integer number (534162490092).
Almost surely, 212200111212220 is an apocalyptic number.
12200111212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12200111212220 is an abundant number, since it is smaller than the sum of its proper divisors (13439688312196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12200111212220 is a wasteful number, since it uses less digits than its factorization.
12200111212220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76022 (or 76020 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12200111212220 its reverse (2221211100221), we get a palindrome (14421322312441).
The spelling of 12200111212220 in words is "twelve trillion, two hundred billion, one hundred eleven million, two hundred twelve thousand, two hundred twenty".
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