Base | Representation |
---|---|
bin | 10001101000111110100… |
… | …010111011001011000011 |
3 | 11021212222101211120210201 |
4 | 101220332202323023003 |
5 | 124330121402321011 |
6 | 2324520230310031 |
7 | 153403123002652 |
oct | 21507642731303 |
9 | 4255871746721 |
10 | 1212230120131 |
11 | 428116333398 |
12 | 176b314b8317 |
13 | 8a40b321394 |
14 | 4295a929199 |
15 | 217ed764cc1 |
hex | 11a3e8bb2c3 |
1212230120131 has 8 divisors (see below), whose sum is σ = 1264970121984. Its totient is φ = 1159492980360.
The previous prime is 1212230120119. The next prime is 1212230120137. The reversal of 1212230120131 is 1310210322121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1212230120131 - 25 = 1212230120099 is a prime.
It is a super-2 number, since 2×12122301201312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1212230120099 and 1212230120108.
It is not an unprimeable number, because it can be changed into a prime (1212230120137) 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, 173520 + ... + 1566706.
It is an arithmetic number, because the mean of its divisors is an integer number (158121265248).
Almost surely, 21212230120131 is an apocalyptic number.
1212230120131 is a deficient number, since it is larger than the sum of its proper divisors (52740001853).
1212230120131 is a wasteful number, since it uses less digits than its factorization.
1212230120131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1431041.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 1212230120131 its reverse (1310210322121), we get a palindrome (2522440442252).
The spelling of 1212230120131 in words is "one trillion, two hundred twelve billion, two hundred thirty million, one hundred twenty thousand, one hundred thirty-one".
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