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12222013222 = 244809136379
BaseRepresentation
bin10110110000111110…
…10001111100100110
31011112202212121020101
423120133101330212
5200012313410342
65340440054314
7611605253416
oct133037217446
934482777211
1012222013222
11520200a481
12245116439a
1311ca1586b3
1483d2d0646
154b7ec73b7
hex2d87d1f26

12222013222 has 8 divisors (see below), whose sum is σ = 18333563400. Its totient is φ = 6110825424.

The previous prime is 12222013147. The next prime is 12222013231. The reversal of 12222013222 is 22231022221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12222013222.

It is a congruent number.

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, 21429 + ... + 157807.

It is an arithmetic number, because the mean of its divisors is an integer number (2291695425).

Almost surely, 212222013222 is an apocalyptic number.

12222013222 is a deficient number, since it is larger than the sum of its proper divisors (6111550178).

12222013222 is a wasteful number, since it uses less digits than its factorization.

12222013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181190.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12222013222 its reverse (22231022221), we get a palindrome (34453035443).

The spelling of 12222013222 in words is "twelve billion, two hundred twenty-two million, thirteen thousand, two hundred twenty-two".

Divisors: 1 2 44809 89618 136379 272758 6111006611 12222013222