Base | Representation |
---|---|
bin | 1011000000011011111010… |
… | …1100011110001110100100 |
3 | 1120211221200201000110220222 |
4 | 2300012332230132032210 |
5 | 3041240121240431040 |
6 | 41423345503143512 |
7 | 2356230604264634 |
oct | 260067654361644 |
9 | 46757621013828 |
10 | 12102122202020 |
11 | 3946532532774 |
12 | 14355802a4b98 |
13 | 69a2c0a91966 |
14 | 2dba628286c4 |
15 | 15ec0d60abb5 |
hex | b01beb1e3a4 |
12102122202020 has 48 divisors (see below), whose sum is σ = 25894899516528. Its totient is φ = 4749342474240.
The previous prime is 12102122202017. The next prime is 12102122202031. The reversal of 12102122202020 is 2020222120121.
It is a happy number.
12102122202020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 8 ways, for example, as 62721195364 + 12039401006656 = 250442^2 + 3469784^2 .
It is a super-2 number, since 2×121021222020202 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12102122202020.
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, 31866692 + ... + 32244228.
It is an arithmetic number, because the mean of its divisors is an integer number (539477073261).
Almost surely, 212102122202020 is an apocalyptic number.
12102122202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12102122202020 is an abundant number, since it is smaller than the sum of its proper divisors (13792777314508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12102122202020 is a wasteful number, since it uses less digits than its factorization.
12102122202020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407840 (or 407838 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 12102122202020 its reverse (2020222120121), we get a palindrome (14122344322141).
The spelling of 12102122202020 in words is "twelve trillion, one hundred two billion, one hundred twenty-two million, two hundred two thousand, twenty".
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