Base | Representation |
---|---|
bin | 10001110010001100000… |
… | …001110100101011010011 |
3 | 11022211111122101112210112 |
4 | 101302030001310223103 |
5 | 130010400210001321 |
6 | 2333233440551535 |
7 | 154203162413405 |
oct | 21621401645323 |
9 | 4284448345715 |
10 | 1222120000211 |
11 | 431330974700 |
12 | 178a316225ab |
13 | 8b326263a26 |
14 | 432181c4b75 |
15 | 21bcbb1ea5b |
hex | 11c8c074ad3 |
1222120000211 has 24 divisors (see below), whose sum is σ = 1352256952032. Its totient is φ = 1103632358400.
The previous prime is 1222120000181. The next prime is 1222120000247. The reversal of 1222120000211 is 1120000212221.
It is not a de Polignac number, because 1222120000211 - 26 = 1222120000147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1222120000811) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93135731 + ... + 93148851.
It is an arithmetic number, because the mean of its divisors is an integer number (56344039668).
Almost surely, 21222120000211 is an apocalyptic number.
1222120000211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1222120000211 is a deficient number, since it is larger than the sum of its proper divisors (130136951821).
1222120000211 is a wasteful number, since it uses less digits than its factorization.
1222120000211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18203 (or 18192 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1222120000211 its reverse (1120000212221), we get a palindrome (2342120212432).
The spelling of 1222120000211 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred eleven", and thus it is an aban number.
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