Base | Representation |
---|---|
bin | 10110101110010111… |
… | …01110111111111010 |
3 | 1011111020122220120112 |
4 | 23113023232333322 |
5 | 144441212041442 |
6 | 5334334424322 |
7 | 611221146002 |
oct | 132713567772 |
9 | 34436586515 |
10 | 12200112122 |
11 | 51a07108a0 |
12 | 24459620a2 |
13 | 11c575ab73 |
14 | 83a42d002 |
15 | 4b60ed082 |
hex | 2d72eeffa |
12200112122 has 32 divisors (see below), whose sum is σ = 20206126080. Its totient is φ = 5478520320.
The previous prime is 12200112107. The next prime is 12200112143. The reversal of 12200112122 is 22121100221.
It is a junction number, because it is equal to n+sod(n) for n = 12200112097 and 12200112106.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770279 + ... + 785957.
It is an arithmetic number, because the mean of its divisors is an integer number (631441440).
Almost surely, 212200112122 is an apocalyptic number.
12200112122 is a deficient number, since it is larger than the sum of its proper divisors (8006013958).
12200112122 is a wasteful number, since it uses less digits than its factorization.
12200112122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16118.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 12200112122 its reverse (22121100221), we get a palindrome (34321212343).
The spelling of 12200112122 in words is "twelve billion, two hundred million, one hundred twelve thousand, one hundred twenty-two".
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