Base | Representation |
---|---|
bin | 1011000000011100010101… |
… | …0011111110010000011001 |
3 | 1120211221222102220210010111 |
4 | 2300013011103332100121 |
5 | 3041240333201020441 |
6 | 41423404510444321 |
7 | 2356233423026602 |
oct | 260070523762031 |
9 | 46757872823114 |
10 | 12102233220121 |
11 | 394658a16a270 |
12 | 14355b15036a1 |
13 | 69a30aa92545 |
14 | 2dba73486da9 |
15 | 15ec1823a081 |
hex | b01c54fe419 |
12102233220121 has 4 divisors (see below), whose sum is σ = 13202436240144. Its totient is φ = 11002030200100.
The previous prime is 12102233220079. The next prime is 12102233220157.
12102233220121 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12102233220121 - 241 = 9903209964569 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12102233220092 and 12102233220101.
It is not an unprimeable number, because it can be changed into a prime (12102233200121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550101509995 + ... + 550101510016.
It is an arithmetic number, because the mean of its divisors is an integer number (3300609060036).
Almost surely, 212102233220121 is an apocalyptic number.
12102233220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12102233220121 is a deficient number, since it is larger than the sum of its proper divisors (1100203020023).
12102233220121 is a wasteful number, since it uses less digits than its factorization.
12102233220121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1100203020022.
The product of its (nonzero) digits is 576, while the sum is 22.
It can be divided in two parts, 1210223 and 3220121, that added together give a palindrome (4430344).
The spelling of 12102233220121 in words is "twelve trillion, one hundred two billion, two hundred thirty-three million, two hundred twenty thousand, one hundred twenty-one".
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