Base | Representation |
---|---|
bin | 10110110001000000… |
… | …00000000100001100 |
3 | 1011112210020012100202 |
4 | 23120200000010030 |
5 | 200012340431444 |
6 | 5340444113032 |
7 | 611610001226 |
oct | 133040000414 |
9 | 34483205322 |
10 | 12222202124 |
11 | 52021293a0 |
12 | 2451235778 |
13 | 11ca1c3682 |
14 | 83d33d416 |
15 | 4b801334e |
hex | 2d880010c |
12222202124 has 48 divisors (see below), whose sum is σ = 24754974720. Its totient is φ = 5221661760.
The previous prime is 12222202087. The next prime is 12222202129. The reversal of 12222202124 is 42120222221.
It is a super-2 number, since 2×122222021242 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12222202096 and 12222202105.
It is not an unprimeable number, because it can be changed into a prime (12222202129) 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, 48614 + ... + 163730.
It is an arithmetic number, because the mean of its divisors is an integer number (515728640).
Almost surely, 212222202124 is an apocalyptic number.
It is an amenable number.
12222202124 is an abundant number, since it is smaller than the sum of its proper divisors (12532772596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12222202124 is a wasteful number, since it uses less digits than its factorization.
12222202124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115278 (or 115276 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 12222202124 its reverse (42120222221), we get a palindrome (54342424345).
The spelling of 12222202124 in words is "twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred twenty-four".
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