| Base | Representation |
|---|---|
| bin | 10110011010001001… |
| … | …10000111101110100 |
| 3 | 1011001102112101100000 |
| 4 | 23031010300331310 |
| 5 | 144114302404022 |
| 6 | 5305435351300 |
| 7 | 604061446650 |
| oct | 131504607564 |
| 9 | 34042471300 |
| 10 | 12030513012 |
| 11 | 5113a02541 |
| 12 | 23b8bb2530 |
| 13 | 119958916b |
| 14 | 821ac1a60 |
| 15 | 4a629b6ac |
| hex | 2cd130f74 |
12030513012 has 144 divisors (see below), whose sum is σ = 38162517120. Its totient is φ = 3235064832.
The previous prime is 12030512993. The next prime is 12030513017. The reversal of 12030513012 is 21031503021.
12030513012 is a `hidden beast` number, since 120 + 30 + 513 + 0 + 1 + 2 = 666.
12030513012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12030513017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63664 + ... + 167672.
It is an arithmetic number, because the mean of its divisors is an integer number (265017480).
Almost surely, 212030513012 is an apocalyptic number.
12030513012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12030513012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19081258560).
12030513012 is an abundant number, since it is smaller than the sum of its proper divisors (26132004108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12030513012 is a wasteful number, since it uses less digits than its factorization.
12030513012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104052 (or 104038 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
Subtracting 12030513012 from its reverse (21031503021), we obtain a palindrome (9000990009).
The spelling of 12030513012 in words is "twelve billion, thirty million, five hundred thirteen thousand, twelve".
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