Base | Representation |
---|---|
bin | 1010111011001100100110… |
… | …1111100000000010010100 |
3 | 1120112100100211021001021102 |
4 | 2232303021233200002110 |
5 | 3033301301441411040 |
6 | 41314142202405232 |
7 | 2346563235541526 |
oct | 256631157400224 |
9 | 46470324231242 |
10 | 12012113232020 |
11 | 3911343845360 |
12 | 1420040500818 |
13 | 69197814b8b5 |
14 | 2d7564673a16 |
15 | 15c6e15ab515 |
hex | aecc9be0094 |
12012113232020 has 48 divisors (see below), whose sum is σ = 27557473104000. Its totient is φ = 4361880270720.
The previous prime is 12012113232013. The next prime is 12012113232047. The reversal of 12012113232020 is 2023231121021.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 12012113231983 and 12012113232001.
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, 38349320 + ... + 38661279.
It is an arithmetic number, because the mean of its divisors is an integer number (574114023000).
Almost surely, 212012113232020 is an apocalyptic number.
12012113232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12012113232020 is an abundant number, since it is smaller than the sum of its proper divisors (15545359871980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12012113232020 is a wasteful number, since it uses less digits than its factorization.
12012113232020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77011328 (or 77011326 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 12012113232020 its reverse (2023231121021), we get a palindrome (14035344353041).
The spelling of 12012113232020 in words is "twelve trillion, twelve billion, one hundred thirteen million, two hundred thirty-two thousand, twenty".
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