Base | Representation |
---|---|
bin | 111000011100000010… |
… | …1101100011101110000 |
3 | 102120211122101001220020 |
4 | 1300320011230131300 |
5 | 3441204211214412 |
6 | 131402322443440 |
7 | 11520310601550 |
oct | 1607005543560 |
9 | 376748331806 |
10 | 121200101232 |
11 | 4744532aa21 |
12 | 1b5a5803580 |
13 | b576a15942 |
14 | 5c1a8a1160 |
15 | 324551118c |
hex | 1c3816c770 |
121200101232 has 80 divisors (see below), whose sum is σ = 358049083392. Its totient is φ = 34607289600.
The previous prime is 121200101201. The next prime is 121200101249. The reversal of 121200101232 is 232101002121.
121200101232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439857 + ... + 660207.
Almost surely, 2121200101232 is an apocalyptic number.
121200101232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121200101232 is an abundant number, since it is smaller than the sum of its proper divisors (236848982160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121200101232 is a wasteful number, since it uses less digits than its factorization.
121200101232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222006 (or 222000 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 121200101232 its reverse (232101002121), we get a palindrome (353301103353).
The spelling of 121200101232 in words is "one hundred twenty-one billion, two hundred million, one hundred one thousand, two hundred thirty-two".
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