Base | Representation |
---|---|
bin | 1010111011001100001100… |
… | …0111111111100101110010 |
3 | 1120112100002002100122201121 |
4 | 2232303003013333211302 |
5 | 3033301040031242320 |
6 | 41314123155052454 |
7 | 2346560420101600 |
oct | 256630307774562 |
9 | 46470062318647 |
10 | 12012002212210 |
11 | 3911297107550 |
12 | 142000b2a112a |
13 | 69195b14a2c0 |
14 | 2d7553a14870 |
15 | 15c6d697b8aa |
hex | aecc31ff972 |
12012002212210 has 192 divisors, whose sum is σ = 29631176144640. Its totient is φ = 3446366676480.
The previous prime is 12012002212187. The next prime is 12012002212213. The reversal of 12012002212210 is 1221220021021.
It is a happy number.
It is a super-2 number, since 2×120120022122102 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12012002212213) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24916372 + ... + 25393888.
It is an arithmetic number, because the mean of its divisors is an integer number (154329042420).
Almost surely, 212012002212210 is an apocalyptic number.
12012002212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12012002212210 is an abundant number, since it is smaller than the sum of its proper divisors (17619173932430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12012002212210 is a wasteful number, since it uses less digits than its factorization.
12012002212210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 477921 (or 477914 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 12012002212210 its reverse (1221220021021), we get a palindrome (13233222233231).
The spelling of 12012002212210 in words is "twelve trillion, twelve billion, two million, two hundred twelve thousand, two hundred ten".
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