Base | Representation |
---|---|
bin | 1011000110110101010010… |
… | …0101000011001110011010 |
3 | 1121020110100001012212220021 |
4 | 2301231110211003032122 |
5 | 3100040144310134320 |
6 | 41550042002021054 |
7 | 2400201005655040 |
oct | 261552445031632 |
9 | 47213301185807 |
10 | 12212011021210 |
11 | 39890a2945010 |
12 | 145292994778a |
13 | 6a7784231bb0 |
14 | 3030c8d4a390 |
15 | 1629e0a90daa |
hex | b1b5494339a |
12212011021210 has 256 divisors, whose sum is σ = 30183487488000. Its totient is φ = 3434700672000.
The previous prime is 12212011021159. The next prime is 12212011021213. The reversal of 12212011021210 is 1212011021221.
It is not an unprimeable number, because it can be changed into a prime (12212011021213) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 79793341 + ... + 79946239.
It is an arithmetic number, because the mean of its divisors is an integer number (117904248000).
Almost surely, 212212011021210 is an apocalyptic number.
12212011021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12212011021210 is an abundant number, since it is smaller than the sum of its proper divisors (17971476466790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12212011021210 is a wasteful number, since it uses less digits than its factorization.
12212011021210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153117.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 12212011021210 its reverse (1212011021221), we get a palindrome (13424022042431).
The spelling of 12212011021210 in words is "twelve trillion, two hundred twelve billion, eleven million, twenty-one thousand, two hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •