Base | Representation |
---|---|
bin | 10001011110101101101… |
… | …100100010111001001010 |
3 | 11020211112101120001022110 |
4 | 101132231230202321022 |
5 | 124140034230324320 |
6 | 2315454523203150 |
7 | 152533050425346 |
oct | 21365554427112 |
9 | 4224471501273 |
10 | 1201210011210 |
11 | 423480810460 |
12 | 1749769764b6 |
13 | 893731a5b81 |
14 | 421d3102626 |
15 | 213a60525e0 |
hex | 117adb22e4a |
1201210011210 has 64 divisors (see below), whose sum is σ = 3191926362624. Its totient is φ = 286856116800.
The previous prime is 1201210011187. The next prime is 1201210011227. The reversal of 1201210011210 is 121100121021.
It is a super-2 number, since 2×12012100112102 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27142296 + ... + 27186515.
It is an arithmetic number, because the mean of its divisors is an integer number (49873849416).
Almost surely, 21201210011210 is an apocalyptic number.
1201210011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201210011210 is an abundant number, since it is smaller than the sum of its proper divisors (1990716351414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201210011210 is a wasteful number, since it uses less digits than its factorization.
1201210011210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54328899.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 1201210011210 its reverse (121100121021), we get a palindrome (1322310132231).
The spelling of 1201210011210 in words is "one trillion, two hundred one billion, two hundred ten million, eleven thousand, two hundred ten".
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