Base | Representation |
---|---|
bin | 10110100011110000… |
… | …10000011101001001 |
3 | 1011021001012122121110 |
4 | 23101320100131021 |
5 | 144300421321301 |
6 | 5321435200533 |
7 | 606060552225 |
oct | 132170203511 |
9 | 34231178543 |
10 | 12111120201 |
11 | 5155458954 |
12 | 241bba6149 |
13 | 11b019ca1b |
14 | 82c6a5785 |
15 | 4ad3c00d6 |
hex | 2d1e10749 |
12111120201 has 64 divisors (see below), whose sum is σ = 17829478400. Its totient is φ = 7285614336.
The previous prime is 12111120193. The next prime is 12111120361. The reversal of 12111120201 is 10202111121.
It is not a de Polignac number, because 12111120201 - 23 = 12111120193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12111120001) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26157696 + ... + 26158158.
It is an arithmetic number, because the mean of its divisors is an integer number (278585600).
Almost surely, 212111120201 is an apocalyptic number.
It is an amenable number.
12111120201 is a deficient number, since it is larger than the sum of its proper divisors (5718358199).
12111120201 is a wasteful number, since it uses less digits than its factorization.
12111120201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 758.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 12111120201 its reverse (10202111121), we get a palindrome (22313231322).
The spelling of 12111120201 in words is "twelve billion, one hundred eleven million, one hundred twenty thousand, two hundred one".
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