Base | Representation |
---|---|
bin | 10001011111100100000… |
… | …000110101100010011001 |
3 | 11020220212220022022200121 |
4 | 101133210000311202121 |
5 | 124143421023100441 |
6 | 2320125155233241 |
7 | 152564454312340 |
oct | 21374400654231 |
9 | 4226786268617 |
10 | 1202121300121 |
11 | 4238a9153295 |
12 | 174b8bba8821 |
13 | 89489c22991 |
14 | 4227c15ab57 |
15 | 2140b05ddd1 |
hex | 117e4035899 |
1202121300121 has 8 divisors (see below), whose sum is σ = 1374043282880. Its totient is φ = 1030246909488.
The previous prime is 1202121300091. The next prime is 1202121300137. The reversal of 1202121300121 is 1210031212021.
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 1202121300121 - 25 = 1202121300089 is a prime.
It is a super-2 number, since 2×12021213001212 (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 = 1202121300095 and 1202121300104.
It is not an unprimeable number, because it can be changed into a prime (1202121300421) 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, 11843886 + ... + 11944951.
It is an arithmetic number, because the mean of its divisors is an integer number (171755410360).
Almost surely, 21202121300121 is an apocalyptic number.
It is an amenable number.
1202121300121 is a deficient number, since it is larger than the sum of its proper divisors (171921982759).
1202121300121 is an equidigital number, since it uses as much as digits as its factorization.
1202121300121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23796063.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 1202121300121 its reverse (1210031212021), we get a palindrome (2412152512142).
The spelling of 1202121300121 in words is "one trillion, two hundred two billion, one hundred twenty-one million, three hundred thousand, one hundred twenty-one".
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