Base | Representation |
---|---|
bin | 1011000111011011010010… |
… | …0111000101010001011010 |
3 | 1121021102122222100102221001 |
4 | 2301312310213011101122 |
5 | 3100222042244214320 |
6 | 41554450130335214 |
7 | 2401011544503046 |
oct | 261666447052132 |
9 | 47242588312831 |
10 | 12222212101210 |
11 | 399245810a441 |
12 | 14548b612a50a |
13 | 6a871b7940c7 |
14 | 3037b5a93026 |
15 | 162ddb41d20a |
hex | b1db49c545a |
12222212101210 has 16 divisors (see below), whose sum is σ = 22085584828776. Its totient is φ = 4869861941248.
The previous prime is 12222212101163. The next prime is 12222212101217. The reversal of 12222212101210 is 1210121222221.
12222212101210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 10986221815209 + 1235990286001 = 3314547^2 + 1111751^2 .
It is not an unprimeable number, because it can be changed into a prime (12222212101217) 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, 2377859707 + ... + 2377864846.
Almost surely, 212222212101210 is an apocalyptic number.
12222212101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12222212101210 is a deficient number, since it is larger than the sum of its proper divisors (9863372727566).
12222212101210 is a wasteful number, since it uses less digits than its factorization.
12222212101210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4755724817.
The product of its (nonzero) digits is 128, while the sum is 19.
Adding to 12222212101210 its reverse (1210121222221), we get a palindrome (13432333323431).
The spelling of 12222212101210 in words is "twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred one thousand, two hundred ten".
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