Base | Representation |
---|---|
bin | 1011000110010000010111… |
… | …1101100001010011100100 |
3 | 1121012111202110211121001121 |
4 | 2301210011331201103210 |
5 | 3044404401114214340 |
6 | 41541322431303324 |
7 | 2366400315354343 |
oct | 261440575412344 |
9 | 47174673747047 |
10 | 12202102101220 |
11 | 3984978589839 |
12 | 1450a2337ab44 |
13 | 6a6865384125 |
14 | 302828d35b5a |
15 | 162610bc494a |
hex | b1905f614e4 |
12202102101220 has 12 divisors (see below), whose sum is σ = 25624414412604. Its totient is φ = 4880840840480.
The previous prime is 12202102101187. The next prime is 12202102101239. The reversal of 12202102101220 is 2210120120221.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 9340077271716 + 2862024829504 = 3056154^2 + 1691752^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12202102101194 and 12202102101203.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305052552511 + ... + 305052552550.
It is an arithmetic number, because the mean of its divisors is an integer number (2135367867717).
Almost surely, 212202102101220 is an apocalyptic number.
12202102101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12202102101220 is an abundant number, since it is smaller than the sum of its proper divisors (13422312311384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12202102101220 is a wasteful number, since it uses less digits than its factorization.
12202102101220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 610105105070 (or 610105105068 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 12202102101220 its reverse (2210120120221), we get a palindrome (14412222221441).
The spelling of 12202102101220 in words is "twelve trillion, two hundred two billion, one hundred two million, one hundred one thousand, two hundred twenty".
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