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12120223330 = 251212022333
BaseRepresentation
bin10110100100110101…
…11110111001100010
31011021200100010202101
423102122332321202
5144310234121310
65322402241014
7606231125035
oct132232767142
934250303671
1012120223330
11515a6061a6
12242305616a
1311b20392a7
1482d99501c
154ae0bc43a
hex2d26bee62

12120223330 has 8 divisors (see below), whose sum is σ = 21816402012. Its totient is φ = 4848089328.

The previous prime is 12120223319. The next prime is 12120223399. The reversal of 12120223330 is 3332202121.

It can be written as a sum of positive squares in 2 ways, for example, as 11593474929 + 526748401 = 107673^2 + 22951^2 .

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 = 12120223298 and 12120223307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606011157 + ... + 606011176.

Almost surely, 212120223330 is an apocalyptic number.

12120223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120223330 is a deficient number, since it is larger than the sum of its proper divisors (9696178682).

12120223330 is a wasteful number, since it uses less digits than its factorization.

12120223330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212022340.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12120223330 its reverse (3332202121), we get a palindrome (15452425451).

The spelling of 12120223330 in words is "twelve billion, one hundred twenty million, two hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 10 1212022333 2424044666 6060111665 12120223330