Base | Representation |
---|---|
bin | 111000110100001111… |
… | …0111000111001011010 |
3 | 102122221020010102020221 |
4 | 1301220132320321122 |
5 | 3444340033341442 |
6 | 132015044510254 |
7 | 11546366663650 |
oct | 1615036707132 |
9 | 378836112227 |
10 | 122012012122 |
11 | 47821666660 |
12 | 1b7916ab38a |
13 | b675ca90a0 |
14 | 5c9664add0 |
15 | 329193c467 |
hex | 1c687b8e5a |
122012012122 has 128 divisors (see below), whose sum is σ = 253771499520. Its totient is φ = 42463491840.
The previous prime is 122012012099. The next prime is 122012012159. The reversal of 122012012122 is 221210210221.
It is a happy number.
It is a super-2 number, since 2×1220120121222 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122012012096 and 122012012105.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9376873 + ... + 9389875.
It is an arithmetic number, because the mean of its divisors is an integer number (1982589840).
Almost surely, 2122012012122 is an apocalyptic number.
122012012122 is an abundant number, since it is smaller than the sum of its proper divisors (131759487398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122012012122 is a wasteful number, since it uses less digits than its factorization.
122012012122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13188.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122012012122 its reverse (221210210221), we get a palindrome (343222222343).
The spelling of 122012012122 in words is "one hundred twenty-two billion, twelve million, twelve thousand, one hundred twenty-two".
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