Base | Representation |
---|---|
bin | 10110011110111111… |
… | …11110110011011100 |
3 | 1011011021002121011000 |
4 | 23033133332303130 |
5 | 144210211431022 |
6 | 5313451430300 |
7 | 605064344532 |
oct | 131737766334 |
9 | 34137077130 |
10 | 12071202012 |
11 | 5134973811 |
12 | 240a755390 |
13 | 11a4b344ac |
14 | 827274152 |
15 | 4a9b376ac |
hex | 2cf7fecdc |
12071202012 has 48 divisors (see below), whose sum is σ = 31336411680. Its totient is φ = 4018500864.
The previous prime is 12071201993. The next prime is 12071202023. The reversal of 12071202012 is 21020217021.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 11188 + ... + 155780.
It is an arithmetic number, because the mean of its divisors is an integer number (652841910).
Almost surely, 212071202012 is an apocalyptic number.
12071202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12071202012 is an abundant number, since it is smaller than the sum of its proper divisors (19265209668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12071202012 is a wasteful number, since it uses less digits than its factorization.
12071202012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145379 (or 145371 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
Adding to 12071202012 its reverse (21020217021), we get a palindrome (33091419033).
The spelling of 12071202012 in words is "twelve billion, seventy-one million, two hundred two thousand, twelve".
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