Base | Representation |
---|---|
bin | 1110010101000… |
… | …10001111100100 |
3 | 22101011220102210 |
4 | 13022202033210 |
5 | 221232432322 |
6 | 15532203420 |
7 | 2656462524 |
oct | 712421744 |
9 | 271156383 |
10 | 120202212 |
11 | 6193a779 |
12 | 34309570 |
13 | 1bb97c90 |
14 | 11d6d684 |
15 | a84570c |
hex | 72a23e4 |
120202212 has 24 divisors (see below), whose sum is σ = 302046976. Its totient is φ = 36985248.
The previous prime is 120202193. The next prime is 120202217. The reversal of 120202212 is 212202021.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (120202217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385108 + ... + 385419.
Almost surely, 2120202212 is an apocalyptic number.
120202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120202212 is an abundant number, since it is smaller than the sum of its proper divisors (181844764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120202212 is a wasteful number, since it uses less digits than its factorization.
120202212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 770547 (or 770545 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 120202212 is about 10963.6769379620. The cubic root of 120202212 is about 493.5193136547.
Adding to 120202212 its reverse (212202021), we get a palindrome (332404233).
The spelling of 120202212 in words is "one hundred twenty million, two hundred two thousand, two hundred twelve".
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