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12221300330 = 251222130033
BaseRepresentation
bin10110110000111001…
…00011111001101010
31011112201112101022222
423120130203321222
5200012123102310
65340412514042
7611566224131
oct133034437152
934481471288
1012221300330
115201672908
122450a7b922
1311c9c69075
1483d186918
154b7dd6055
hex2d8723e6a

12221300330 has 8 divisors (see below), whose sum is σ = 21998340612. Its totient is φ = 4888520128.

The previous prime is 12221300317. The next prime is 12221300347. The reversal of 12221300330 is 3300312221.

It can be written as a sum of positive squares in 2 ways, for example, as 11776807441 + 444492889 = 108521^2 + 21083^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12221300299 and 12221300308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611065007 + ... + 611065026.

Almost surely, 212221300330 is an apocalyptic number.

12221300330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221300330 is a deficient number, since it is larger than the sum of its proper divisors (9777040282).

12221300330 is a wasteful number, since it uses less digits than its factorization.

12221300330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222130040.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12221300330 its reverse (3300312221), we get a palindrome (15521612551).

The spelling of 12221300330 in words is "twelve billion, two hundred twenty-one million, three hundred thousand, three hundred thirty".

Divisors: 1 2 5 10 1222130033 2444260066 6110650165 12221300330