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12221344414 = 26692391309
BaseRepresentation
bin10110110000111001…
…01110101010011110
31011112201121121210201
423120130232222132
5200012131010124
65340413454114
7611566466506
oct133034565236
934481547721
1012221344414
1152016a2a44
122450aa133a
1311c9c83156
1483d198a06
154b7de4144
hex2d872ea9e

12221344414 has 8 divisors (see below), whose sum is σ = 18332491320. Its totient is φ = 6110513976.

The previous prime is 12221344397. The next prime is 12221344417. The reversal of 12221344414 is 41444312221.

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

It is a super-2 number, since 2×122213444142 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221344417) by changing a digit.

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, 88192 + ... + 179500.

It is an arithmetic number, because the mean of its divisors is an integer number (2291561415).

Almost surely, 212221344414 is an apocalyptic number.

12221344414 is a deficient number, since it is larger than the sum of its proper divisors (6111146906).

12221344414 is an equidigital number, since it uses as much as digits as its factorization.

12221344414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158234.

The product of its digits is 6144, while the sum is 28.

Adding to 12221344414 its reverse (41444312221), we get a palindrome (53665656635).

The spelling of 12221344414 in words is "twelve billion, two hundred twenty-one million, three hundred forty-four thousand, four hundred fourteen".

Divisors: 1 2 66923 91309 133846 182618 6110672207 12221344414