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12330330221 = 116118376051
BaseRepresentation
bin10110111101111000…
…11110100001101101
31011211022200200020002
423132330132201231
5200223031031341
65355305434045
7614362035416
oct133674364155
934738620202
1012330330221
115258171660
12248149b925
1312167219b1
1484d84880d
154c277129b
hex2def1e86d

12330330221 has 8 divisors (see below), whose sum is σ = 13671782688. Its totient is φ = 11025630000.

The previous prime is 12330330157. The next prime is 12330330239. The reversal of 12330330221 is 12203303321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12330330221 - 26 = 12330330157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12330330193 and 12330330202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12330330121) 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, 9187355 + ... + 9188696.

It is an arithmetic number, because the mean of its divisors is an integer number (1708972836).

Almost surely, 212330330221 is an apocalyptic number.

12330330221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12330330221 is a deficient number, since it is larger than the sum of its proper divisors (1341452467).

12330330221 is a wasteful number, since it uses less digits than its factorization.

12330330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18376123.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12330330221 its reverse (12203303321), we get a palindrome (24533633542).

The spelling of 12330330221 in words is "twelve billion, three hundred thirty million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 11 61 671 18376051 202136561 1120939111 12330330221