Base | Representation |
---|---|
bin | 10001100110111010010… |
… | …101111011110001100100 |
3 | 11021200020211021121122122 |
4 | 101212322111323301210 |
5 | 124311101100402322 |
6 | 2323512155045112 |
7 | 153264141223505 |
oct | 21467225736144 |
9 | 4250224247578 |
10 | 1210012122212 |
11 | 427188330763 |
12 | 176612740798 |
13 | 8a14695a98a |
14 | 427ca124bac |
15 | 2171db90442 |
hex | 119ba57bc64 |
1210012122212 has 12 divisors (see below), whose sum is σ = 2117852690940. Its totient is φ = 604911353376.
The previous prime is 1210012122211. The next prime is 1210012122233. The reversal of 1210012122212 is 2122212100121.
It can be written as a sum of positive squares in 2 ways, for example, as 20983260736 + 1189028861476 = 144856^2 + 1090426^2 .
It is not an unprimeable number, because it can be changed into a prime (1210012122211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23648183 + ... + 23699294.
It is an arithmetic number, because the mean of its divisors is an integer number (176487724245).
Almost surely, 21210012122212 is an apocalyptic number.
It is an amenable number.
1210012122212 is a deficient number, since it is larger than the sum of its proper divisors (907840568728).
1210012122212 is a wasteful number, since it uses less digits than its factorization.
1210012122212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47353870 (or 47353868 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 1210012122212 its reverse (2122212100121), we get a palindrome (3332224222333).
The spelling of 1210012122212 in words is "one trillion, two hundred ten billion, twelve million, one hundred twenty-two thousand, two hundred twelve".
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