Base | Representation |
---|---|
bin | 1011000110110101010100… |
… | …1000001001010100101110 |
3 | 1121020110100200112021221202 |
4 | 2301231111020021110232 |
5 | 3100040204134034410 |
6 | 41550042531125502 |
7 | 2400201150113204 |
oct | 261552510112456 |
9 | 47213320467852 |
10 | 12212020221230 |
11 | 39890a8059135 |
12 | 1452930a43892 |
13 | 6a77861035ab |
14 | 3030ca263074 |
15 | 1629e17abca5 |
hex | b1b5520952e |
12212020221230 has 32 divisors (see below), whose sum is σ = 21989976712704. Its totient is φ = 4882955014816.
The previous prime is 12212020221221. The next prime is 12212020221253. The reversal of 12212020221230 is 3212202021221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508334999 + ... + 508359021.
It is an arithmetic number, because the mean of its divisors is an integer number (687186772272).
Almost surely, 212212020221230 is an apocalyptic number.
12212020221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12212020221230 is a deficient number, since it is larger than the sum of its proper divisors (9777956491474).
12212020221230 is a wasteful number, since it uses less digits than its factorization.
12212020221230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41200.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 12212020221230 its reverse (3212202021221), we get a palindrome (15424222242451).
The spelling of 12212020221230 in words is "twelve trillion, two hundred twelve billion, twenty million, two hundred twenty-one thousand, two hundred thirty".
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