Base | Representation |
---|---|
bin | 1011000000010111110010… |
… | …0010001100100110000101 |
3 | 1120211211211100101011000020 |
4 | 2300011330202030212011 |
5 | 3041230333111241401 |
6 | 41423043412205353 |
7 | 2356161235443501 |
oct | 260057442144605 |
9 | 46754740334006 |
10 | 12101012212101 |
11 | 3946012a1492a |
12 | 1435310609859 |
13 | 69a174b23ba7 |
14 | 2db999249301 |
15 | 15eb95e4ed36 |
hex | b017c88c985 |
12101012212101 has 8 divisors (see below), whose sum is σ = 16135610886240. Its totient is φ = 8066877506352.
The previous prime is 12101012212099. The next prime is 12101012212117. The reversal of 12101012212101 is 10121221010121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12101012212101 - 21 = 12101012212099 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12101012214101) 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, 115931235 + ... + 116035568.
It is an arithmetic number, because the mean of its divisors is an integer number (2016951360780).
Almost surely, 212101012212101 is an apocalyptic number.
It is an amenable number.
12101012212101 is a deficient number, since it is larger than the sum of its proper divisors (4034598674139).
12101012212101 is a wasteful number, since it uses less digits than its factorization.
12101012212101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231984195.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 12101012212101 its reverse (10121221010121), we get a palindrome (22222233222222).
The spelling of 12101012212101 in words is "twelve trillion, one hundred one billion, twelve million, two hundred twelve thousand, one hundred one".
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