Base | Representation |
---|---|
bin | 10001011101111110101… |
… | …011100001000010001101 |
3 | 11020202111102021220122001 |
4 | 101131332223201002031 |
5 | 124131430312243201 |
6 | 2315244344352301 |
7 | 152504361643153 |
oct | 21357653410215 |
9 | 4222442256561 |
10 | 1200421212301 |
11 | 423106530133 |
12 | 174796775691 |
13 | 8927894545c |
14 | 4215a4513d3 |
15 | 2135bb8e301 |
hex | 1177eae108d |
1200421212301 has 16 divisors (see below), whose sum is σ = 1220596633600. Its totient is φ = 1180379910528.
The previous prime is 1200421212293. The next prime is 1200421212307. The reversal of 1200421212301 is 1032121240021.
It is a cyclic number.
It is not a de Polignac number, because 1200421212301 - 23 = 1200421212293 is a prime.
It is a super-2 number, since 2×12004212123012 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1200421212307) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19776340 + ... + 19836946.
It is an arithmetic number, because the mean of its divisors is an integer number (76287289600).
Almost surely, 21200421212301 is an apocalyptic number.
It is an amenable number.
1200421212301 is a deficient number, since it is larger than the sum of its proper divisors (20175421299).
1200421212301 is an equidigital number, since it uses as much as digits as its factorization.
1200421212301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61708.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 1200421212301 its reverse (1032121240021), we get a palindrome (2232542452322).
The spelling of 1200421212301 in words is "one trillion, two hundred billion, four hundred twenty-one million, two hundred twelve thousand, three hundred one".
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