Base | Representation |
---|---|
bin | 1011000010000111111111… |
… | …0100100010000001111010 |
3 | 1120221201120110022001202110 |
4 | 2300201333310202001322 |
5 | 3042224024310334320 |
6 | 41444544250313150 |
7 | 2361305522444544 |
oct | 260417764420172 |
9 | 46851513261673 |
10 | 12131132121210 |
11 | 39578699083a3 |
12 | 143b1177287b6 |
13 | 69cc64cb070b |
14 | 2dd215588694 |
15 | 16085a3625e0 |
hex | b087fd2207a |
12131132121210 has 64 divisors (see below), whose sum is σ = 30827777226624. Its totient is φ = 3044633856000.
The previous prime is 12131132121191. The next prime is 12131132121211. The reversal of 12131132121210 is 1212123113121.
It is not an unprimeable number, because it can be changed into a prime (12131132121211) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53421910 + ... + 53648510.
It is an arithmetic number, because the mean of its divisors is an integer number (481684019166).
Almost surely, 212131132121210 is an apocalyptic number.
12131132121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12131132121210 is an abundant number, since it is smaller than the sum of its proper divisors (18696645105414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12131132121210 is a wasteful number, since it uses less digits than its factorization.
12131132121210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331599.
The product of its (nonzero) digits is 144, while the sum is 21.
Adding to 12131132121210 its reverse (1212123113121), we get a palindrome (13343255234331).
The spelling of 12131132121210 in words is "twelve trillion, one hundred thirty-one billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred ten".
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