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12220223330 = 2576116717137
BaseRepresentation
bin10110110000110000…
…11100111101100010
31011112122111122222002
423120120130331202
5200011334121310
65340333444002
7611554120160
oct133030347542
934478448862
1012220223330
115200aa7727
122450640602
1311c997caa3
1483cd86230
154b7c71da5
hex2d861cf62

12220223330 has 64 divisors (see below), whose sum is σ = 25705354752. Its totient is φ = 4096189440.

The previous prime is 12220223321. The next prime is 12220223387. The reversal of 12220223330 is 3332202221.

12220223330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 704522 + ... + 721658.

It is an arithmetic number, because the mean of its divisors is an integer number (401646168).

Almost surely, 212220223330 is an apocalyptic number.

12220223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220223330 is an abundant number, since it is smaller than the sum of its proper divisors (13485131422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220223330 is a wasteful number, since it uses less digits than its factorization.

12220223330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17379.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12220223330 its reverse (3332202221), we get a palindrome (15552425551).

The spelling of 12220223330 in words is "twelve billion, two hundred twenty million, two hundred twenty-three thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 61 70 122 167 305 334 427 610 835 854 1169 1670 2135 2338 4270 5845 10187 11690 17137 20374 34274 50935 71309 85685 101870 119959 142618 171370 239918 356545 599795 713090 1045357 1199590 2090714 2861879 5226785 5723758 7317499 10453570 14309395 14634998 20033153 28618790 36587495 40066306 73174990 100165765 174574619 200331530 349149238 872873095 1222022333 1745746190 2444044666 6110111665 12220223330