Base | Representation |
---|---|
bin | 10110101110100111… |
… | …01111101101101001 |
3 | 1011111101121121100020 |
4 | 23113103233231221 |
5 | 144442231242301 |
6 | 5334451431053 |
7 | 611245043454 |
oct | 132723575551 |
9 | 34441547306 |
10 | 12202212201 |
11 | 51a19156a3 |
12 | 24465b5489 |
13 | 11c6014a0a |
14 | 83a81849b |
15 | 4b63b5436 |
hex | 2d74efb69 |
12202212201 has 8 divisors (see below), whose sum is σ = 16278155424. Its totient is φ = 8130538560.
The previous prime is 12202212163. The next prime is 12202212223. The reversal of 12202212201 is 10221220221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12202212201 - 27 = 12202212073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12202212271) 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, 1060720 + ... + 1072161.
It is an arithmetic number, because the mean of its divisors is an integer number (2034769428).
Almost surely, 212202212201 is an apocalyptic number.
It is an amenable number.
12202212201 is a deficient number, since it is larger than the sum of its proper divisors (4075943223).
12202212201 is a wasteful number, since it uses less digits than its factorization.
12202212201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2134791.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12202212201 its reverse (10221220221), we get a palindrome (22423432422).
The spelling of 12202212201 in words is "twelve billion, two hundred two million, two hundred twelve thousand, two hundred one".
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