Base | Representation |
---|---|
bin | 10110010111111100… |
… | …01011101010001000 |
3 | 1011000010201100010201 |
4 | 23023332023222020 |
5 | 144100033310440 |
6 | 5303535021544 |
7 | 603445254445 |
oct | 131376135210 |
9 | 34003640121 |
10 | 12012010120 |
11 | 5104514aa0 |
12 | 23b296a8b4 |
13 | 11957ab2c6 |
14 | 81d4669cc |
15 | 4a484419a |
hex | 2cbf8ba88 |
12012010120 has 32 divisors (see below), whose sum is σ = 29484025920. Its totient is φ = 4368003520.
The previous prime is 12012010117. The next prime is 12012010133. The reversal of 12012010120 is 2101021021.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 12012010097 and 12012010106.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13649572 + ... + 13650451.
It is an arithmetic number, because the mean of its divisors is an integer number (921375810).
Almost surely, 212012010120 is an apocalyptic number.
12012010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12012010120 is an abundant number, since it is smaller than the sum of its proper divisors (17472015800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12012010120 is a wasteful number, since it uses less digits than its factorization.
12012010120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27300045 (or 27300041 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 12012010120 its reverse (2101021021), we get a palindrome (14113031141).
The spelling of 12012010120 in words is "twelve billion, twelve million, ten thousand, one hundred twenty".
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