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12220440322 = 279149519091
BaseRepresentation
bin10110110000110010…
…10001111100000010
31011112122220200121211
423120121101330002
5200011413042242
65340342240334
7611556012616
oct133031217402
934478820554
1012220440322
115201135762
1224507260aa
1311c9a2779c
1483d001346
154b7cb6317
hex2d8651f02

12220440322 has 16 divisors (see below), whose sum is σ = 18687312000. Its totient is φ = 5992374960.

The previous prime is 12220440319. The next prime is 12220440329. The reversal of 12220440322 is 22304402221.

It is a junction number, because it is equal to n+sod(n) for n = 12220440293 and 12220440302.

It is not an unprimeable number, because it can be changed into a prime (12220440329) 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, 236004 + ... + 283087.

It is an arithmetic number, because the mean of its divisors is an integer number (1167957000).

Almost surely, 212220440322 is an apocalyptic number.

12220440322 is a deficient number, since it is larger than the sum of its proper divisors (6466871678).

12220440322 is a wasteful number, since it uses less digits than its factorization.

12220440322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519321.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12220440322 its reverse (22304402221), we get a palindrome (34524842543).

The spelling of 12220440322 in words is "twelve billion, two hundred twenty million, four hundred forty thousand, three hundred twenty-two".

Divisors: 1 2 79 149 158 298 11771 23542 519091 1038182 41008189 77344559 82016378 154689118 6110220161 12220440322