Base | Representation |
---|---|
bin | 1110100100010… |
… | …10000010010100 |
3 | 22111221102011210 |
4 | 13102022002110 |
5 | 222240401322 |
6 | 20043101420 |
7 | 3012453561 |
oct | 722120224 |
9 | 274842153 |
10 | 122200212 |
11 | 62a84912 |
12 | 34b11870 |
13 | 1c417524 |
14 | 1232d868 |
15 | aadc70c |
hex | 748a094 |
122200212 has 48 divisors (see below), whose sum is σ = 289876160. Its totient is φ = 40061952.
The previous prime is 122200189. The next prime is 122200217. The reversal of 122200212 is 212002221.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122200217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322239 + ... + 322617.
Almost surely, 2122200212 is an apocalyptic number.
122200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122200212 is an abundant number, since it is smaller than the sum of its proper divisors (167675948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122200212 is a wasteful number, since it uses less digits than its factorization.
122200212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760 (or 758 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 122200212 is about 11054.4204732767. The cubic root of 122200212 is about 496.2387259164.
Adding to 122200212 its reverse (212002221), we get a palindrome (334202433).
The spelling of 122200212 in words is "one hundred twenty-two million, two hundred thousand, two hundred twelve".
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