Base | Representation |
---|---|
bin | 1011000110110101101010… |
… | …0010100001011110110001 |
3 | 1121020110121000101110012021 |
4 | 2301231122202201132301 |
5 | 3100040400410201001 |
6 | 41550055533231441 |
7 | 2400203331652402 |
oct | 261553242413661 |
9 | 47213530343167 |
10 | 12212111022001 |
11 | 39891443370a0 |
12 | 1452957332581 |
13 | 6a779bb75b67 |
14 | 3030d833b9a9 |
15 | 1629e9745ba1 |
hex | b1b5a8a17b1 |
12212111022001 has 32 divisors (see below), whose sum is σ = 13686101827200. Its totient is φ = 10800882247680.
The previous prime is 12212111021969. The next prime is 12212111022047. The reversal of 12212111022001 is 10022011121221.
12212111022001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12212111022001 - 25 = 12212111021969 is a prime.
It is a super-2 number, since 2×122121110220012 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12212111022701) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122945965 + ... + 123045253.
It is an arithmetic number, because the mean of its divisors is an integer number (427690682100).
Almost surely, 212212111022001 is an apocalyptic number.
12212111022001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12212111022001 is a deficient number, since it is larger than the sum of its proper divisors (1473990805199).
12212111022001 is a wasteful number, since it uses less digits than its factorization.
12212111022001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100369.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 12212111022001 its reverse (10022011121221), we get a palindrome (22234122143222).
The spelling of 12212111022001 in words is "twelve trillion, two hundred twelve billion, one hundred eleven million, twenty-two thousand, one".
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