Base | Representation |
---|---|
bin | 11011101111011111110010… |
… | …110101001111100100000000 |
3 | 121000000011021000020221221221 |
4 | 123233133302311033210000 |
5 | 111443012424231133440 |
6 | 1111255102011324424 |
7 | 34462006345250440 |
oct | 3357376265174400 |
9 | 530004230227857 |
10 | 122011210021120 |
11 | 3597073325a862 |
12 | 1182670b450714 |
13 | 53107b9271024 |
14 | 221b534660120 |
15 | e18bd185ad4a |
hex | 6ef7f2d4f900 |
122011210021120 has 72 divisors (see below), whose sum is σ = 334005687457344. Its totient is φ = 41832414861312.
The previous prime is 122011210021111. The next prime is 122011210021121. The reversal of 122011210021120 is 21120012110221.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 122011210021094 and 122011210021103.
It is not an unprimeable number, because it can be changed into a prime (122011210021121) 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, 6808652314 + ... + 6808670233.
It is an arithmetic number, because the mean of its divisors is an integer number (4638967881352).
Almost surely, 2122011210021120 is an apocalyptic number.
122011210021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122011210021120 is an abundant number, since it is smaller than the sum of its proper divisors (211994477436224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122011210021120 is an equidigital number, since it uses as much as digits as its factorization.
122011210021120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13617322575 (or 13617322561 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 122011210021120 its reverse (21120012110221), we get a palindrome (143131222131341).
The spelling of 122011210021120 in words is "one hundred twenty-two trillion, eleven billion, two hundred ten million, twenty-one thousand, one hundred twenty".
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