Base | Representation |
---|---|
bin | 111000110100010000… |
… | …0001011011010110011 |
3 | 102122221020202120220210 |
4 | 1301220200023122303 |
5 | 3444340130201011 |
6 | 132015100035203 |
7 | 11546402602260 |
oct | 1615040133263 |
9 | 378836676823 |
10 | 122012350131 |
11 | 47821877601 |
12 | 1b791832b03 |
13 | b676096ba9 |
14 | 5c966d8267 |
15 | 32919a76a6 |
hex | 1c6880b6b3 |
122012350131 has 32 divisors (see below), whose sum is σ = 187794731520. Its totient is φ = 69020792064.
The previous prime is 122012350123. The next prime is 122012350157. The reversal of 122012350131 is 131053210221.
It is not a de Polignac number, because 122012350131 - 23 = 122012350123 is a prime.
It is a super-2 number, since 2×1220123501312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 122012350098 and 122012350107.
It is not an unprimeable number, because it can be changed into a prime (122012350111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2639191 + ... + 2685023.
It is an arithmetic number, because the mean of its divisors is an integer number (5868585360).
Almost surely, 2122012350131 is an apocalyptic number.
122012350131 is a deficient number, since it is larger than the sum of its proper divisors (65782381389).
122012350131 is a wasteful number, since it uses less digits than its factorization.
122012350131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47115.
The product of its (nonzero) digits is 360, while the sum is 21.
Adding to 122012350131 its reverse (131053210221), we get a palindrome (253065560352).
The spelling of 122012350131 in words is "one hundred twenty-two billion, twelve million, three hundred fifty thousand, one hundred thirty-one".
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