Base | Representation |
---|---|
bin | 10001011110101110011… |
… | …010101100111111100010 |
3 | 11020211120020022210101022 |
4 | 101132232122230333202 |
5 | 124140100330024302 |
6 | 2315500034405442 |
7 | 152533255322321 |
oct | 21365632547742 |
9 | 4224506283338 |
10 | 1201222111202 |
11 | 423487625353 |
12 | 17497aa30882 |
13 | 89375851529 |
14 | 421d49720b8 |
15 | 213a71428a2 |
hex | 117ae6acfe2 |
1201222111202 has 8 divisors (see below), whose sum is σ = 1801934737500. Its totient is φ = 600577198704.
The previous prime is 1201222111189. The next prime is 1201222111207. The reversal of 1201222111202 is 2021112221021.
It can be written as a sum of positive squares in 2 ways, for example, as 1041748876921 + 159473234281 = 1020661^2 + 399341^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1201222111207) 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, 16884077 + ... + 16955072.
Almost surely, 21201222111202 is an apocalyptic number.
1201222111202 is a deficient number, since it is larger than the sum of its proper divisors (600712626298).
1201222111202 is a wasteful number, since it uses less digits than its factorization.
1201222111202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33856900.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 1201222111202 its reverse (2021112221021), we get a palindrome (3222334332223).
The spelling of 1201222111202 in words is "one trillion, two hundred one billion, two hundred twenty-two million, one hundred eleven thousand, two hundred two".
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