Base | Representation |
---|---|
bin | 11011100000111101011010… |
… | …100000011010101001100001 |
3 | 120212110122200211001222222122 |
4 | 123200331122200122221201 |
5 | 111330131012313341001 |
6 | 1105212125231314025 |
7 | 34326562446263225 |
oct | 3340753240325141 |
9 | 525418624058878 |
10 | 121012222012001 |
11 | 35615aa45a8671 |
12 | 116a4b9037b915 |
13 | 526a532850478 |
14 | 21c50467a6785 |
15 | decc13d93b1b |
hex | 6e0f5a81aa61 |
121012222012001 has 8 divisors (see below), whose sum is σ = 121701328816704. Its totient is φ = 120323340822960.
The previous prime is 121012222011979. The next prime is 121012222012057. The reversal of 121012222012001 is 100210222210121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121012222012001 is a prime.
It is a super-5 number, since 5×1210122220120015 (a number of 72 digits) contains 55555 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (121012222018001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55328075 + ... + 57473648.
It is an arithmetic number, because the mean of its divisors is an integer number (15212666102088).
Almost surely, 2121012222012001 is an apocalyptic number.
It is an amenable number.
121012222012001 is a deficient number, since it is larger than the sum of its proper divisors (689106804703).
121012222012001 is a wasteful number, since it uses less digits than its factorization.
121012222012001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112807831.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 121012222012001 its reverse (100210222210121), we get a palindrome (221222444222122).
The spelling of 121012222012001 in words is "one hundred twenty-one trillion, twelve billion, two hundred twenty-two million, twelve thousand, one".
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