Base | Representation |
---|---|
bin | 101110100011… |
… | …000001110101 |
3 | 211221221010200 |
4 | 232203001311 |
5 | 11110431401 |
6 | 1113311113 |
7 | 205500432 |
oct | 56430165 |
9 | 24857120 |
10 | 12202101 |
11 | 698468a |
12 | 4105499 |
13 | 26b2ca2 |
14 | 1898b89 |
15 | 1110686 |
hex | ba3075 |
12202101 has 12 divisors (see below), whose sum is σ = 17797728. Its totient is φ = 8055144.
The previous prime is 12202097. The next prime is 12202117. The reversal of 12202101 is 10120221.
12202101 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12202101 - 22 = 12202097 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12202171) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5655 + ... + 7508.
It is an arithmetic number, because the mean of its divisors is an integer number (1483144).
Almost surely, 212202101 is an apocalyptic number.
It is an amenable number.
12202101 is a deficient number, since it is larger than the sum of its proper divisors (5595627).
12202101 is a wasteful number, since it uses less digits than its factorization.
12202101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13272 (or 13269 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 12202101 is about 3493.1505836422. The cubic root of 12202101 is about 230.2209659691.
Adding to 12202101 its reverse (10120221), we get a palindrome (22322322).
It can be divided in two parts, 1220 and 2101, that added together give a triangular number (3321 = T81).
The spelling of 12202101 in words is "twelve million, two hundred two thousand, one hundred one".
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