Base | Representation |
---|---|
bin | 111000100010010111… |
… | …0100011110100011000 |
3 | 102121101102100202211111 |
4 | 1301010232203310120 |
5 | 3442123001442222 |
6 | 131435335310104 |
7 | 11525464110361 |
oct | 1610456436430 |
9 | 377342322744 |
10 | 121412140312 |
11 | 47543a96031 |
12 | 1b64481b334 |
13 | b5ab926958 |
14 | 5c3aad8b68 |
15 | 3258e47777 |
hex | 1c44ba3d18 |
121412140312 has 64 divisors (see below), whose sum is σ = 248039820000. Its totient is φ = 55494835200.
The previous prime is 121412140309. The next prime is 121412140313. The reversal of 121412140312 is 213041214121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121412140313) by changing a digit.
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, 8372364 + ... + 8386852.
Almost surely, 2121412140312 is an apocalyptic number.
It is an amenable number.
121412140312 is an abundant number, since it is smaller than the sum of its proper divisors (126627679688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121412140312 is a wasteful number, since it uses less digits than its factorization.
121412140312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16444 (or 16440 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 121412140312 its reverse (213041214121), we get a palindrome (334453354433).
The spelling of 121412140312 in words is "one hundred twenty-one billion, four hundred twelve million, one hundred forty thousand, three hundred twelve".
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