Base | Representation |
---|---|
bin | 110111111110100110… |
… | …0110110101001011001 |
3 | 102111021210022112110021 |
4 | 1233331030312221121 |
5 | 3432143300402301 |
6 | 131120310550441 |
7 | 11453653115323 |
oct | 1577514665131 |
9 | 374253275407 |
10 | 120212122201 |
11 | 46a88677726 |
12 | 1b36a968421 |
13 | b44a127172 |
14 | 5b655a2613 |
15 | 31d89068a1 |
hex | 1bfd336a59 |
120212122201 has 4 divisors (see below), whose sum is σ = 120213052432. Its totient is φ = 120211191972.
The previous prime is 120212122187. The next prime is 120212122229. The reversal of 120212122201 is 102221212021.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 120212122201 - 215 = 120212089433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120212122231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232491 + ... + 542656.
It is an arithmetic number, because the mean of its divisors is an integer number (30053263108).
Almost surely, 2120212122201 is an apocalyptic number.
It is an amenable number.
120212122201 is a deficient number, since it is larger than the sum of its proper divisors (930231).
120212122201 is an equidigital number, since it uses as much as digits as its factorization.
120212122201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 930230.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 120212122201 its reverse (102221212021), we get a palindrome (222433334222).
The spelling of 120212122201 in words is "one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, two hundred one".
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