Base | Representation |
---|---|
bin | 1110010101110… |
… | …10011010011100 |
3 | 22101100221020110 |
4 | 13022322122130 |
5 | 221244114322 |
6 | 15534250020 |
7 | 2660354253 |
oct | 712723234 |
9 | 271327213 |
10 | 120301212 |
11 | 619a8099 |
12 | 34356910 |
13 | 1bc01065 |
14 | 11d9779a |
15 | a864c0c |
hex | 72ba69c |
120301212 has 12 divisors (see below), whose sum is σ = 280702856. Its totient is φ = 40100400.
The previous prime is 120301189. The next prime is 120301213. The reversal of 120301212 is 212103021.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 10025101 = 120301212 / (1 + 2 + 0 + 3 + 0 + 1 + 2 + 1 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120301213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5012539 + ... + 5012562.
Almost surely, 2120301212 is an apocalyptic number.
120301212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120301212 is an abundant number, since it is smaller than the sum of its proper divisors (160401644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120301212 is a wasteful number, since it uses less digits than its factorization.
120301212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10025108 (or 10025106 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 120301212 is about 10968.1909173756. The cubic root of 120301212 is about 493.6547659726.
Adding to 120301212 its reverse (212103021), we get a palindrome (332404233).
The spelling of 120301212 in words is "one hundred twenty million, three hundred one thousand, two hundred twelve".
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