Base | Representation |
---|---|
bin | 111000110100001111… |
… | …1101001001111001010 |
3 | 102122221020111110212021 |
4 | 1301220133221033022 |
5 | 3444340111210442 |
6 | 132015053035054 |
7 | 11546401450135 |
oct | 1615037511712 |
9 | 378836443767 |
10 | 122012210122 |
11 | 478217913a0 |
12 | 1b791785a8a |
13 | b67604824a |
14 | 5c9669d21c |
15 | 329197ae67 |
hex | 1c687e93ca |
122012210122 has 16 divisors (see below), whose sum is σ = 199668470400. Its totient is φ = 55456727040.
The previous prime is 122012210113. The next prime is 122012210129. The reversal of 122012210122 is 221012210221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 122012210096 and 122012210105.
It is not an unprimeable number, because it can be changed into a prime (122012210129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222154 + ... + 541642.
It is an arithmetic number, because the mean of its divisors is an integer number (12479279400).
Almost surely, 2122012210122 is an apocalyptic number.
122012210122 is a deficient number, since it is larger than the sum of its proper divisors (77656260278).
122012210122 is a wasteful number, since it uses less digits than its factorization.
122012210122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336861.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122012210122 its reverse (221012210221), we get a palindrome (343024420343).
Subtracting 122012210122 from its reverse (221012210221), we obtain a palindrome (99000000099).
The spelling of 122012210122 in words is "one hundred twenty-two billion, twelve million, two hundred ten thousand, one hundred twenty-two".
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