| Base | Representation |
|---|---|
| bin | 10011000001011001… |
| … | …11010111100110001 |
| 3 | 222100201021202200200 |
| 4 | 21200230322330301 |
| 5 | 131403323314441 |
| 6 | 4405205305413 |
| 7 | 511033212540 |
| oct | 114054727461 |
| 9 | 28321252620 |
| 10 | 10212323121 |
| 11 | 4370654570 |
| 12 | 1b90105269 |
| 13 | c6999a860 |
| 14 | 6cc432157 |
| 15 | 3eb84d7b6 |
| hex | 260b3af31 |
10212323121 has 96 divisors (see below), whose sum is σ = 20341671168. Its totient is φ = 4764510720.
The previous prime is 10212323119. The next prime is 10212323131. The reversal of 10212323121 is 12132321201.
10212323121 is a `hidden beast` number, since 10 + 212 + 323 + 121 = 666.
10212323121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10212323121 - 21 = 10212323119 is a prime.
It is a super-2 number, since 2×102123231212 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10212323094 and 10212323103.
It is not an unprimeable number, because it can be changed into a prime (10212323131) 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 95 ways as a sum of consecutive naturals, for example, 318015 + ... + 348651.
It is an arithmetic number, because the mean of its divisors is an integer number (211892408).
Almost surely, 210212323121 is an apocalyptic number.
10212323121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10212323121 is a deficient number, since it is larger than the sum of its proper divisors (10129348047).
10212323121 is a wasteful number, since it uses less digits than its factorization.
10212323121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30711 (or 30708 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 10212323121 its reverse (12132321201), we get a palindrome (22344644322).
It can be divided in two parts, 10212 and 323121, that added together give a palindrome (333333).
The spelling of 10212323121 in words is "ten billion, two hundred twelve million, three hundred twenty-three thousand, one hundred twenty-one".
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