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12220353211 = 116171800553
BaseRepresentation
bin10110110000110001…
…11100101010111011
31011112122202021010111
423120120330222323
5200011402300321
65340340325151
7611555200633
oct133030745273
934478667114
1012220353211
115201086270
1224506a37b7
1311c99c6c41
1483cdbb6c3
154b7c9a5e1
hex2d863cabb

12220353211 has 8 divisors (see below), whose sum is σ = 13352908464. Its totient is φ = 11091400320.

The previous prime is 12220353191. The next prime is 12220353241. The reversal of 12220353211 is 11235302221.

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

It is not a de Polignac number, because 12220353211 - 29 = 12220352699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220353241) 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 7 ways as a sum of consecutive naturals, for example, 893490 + ... + 907063.

It is an arithmetic number, because the mean of its divisors is an integer number (1669113558).

Almost surely, 212220353211 is an apocalyptic number.

12220353211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12220353211 is a deficient number, since it is larger than the sum of its proper divisors (1132555253).

12220353211 is a wasteful number, since it uses less digits than its factorization.

12220353211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801181.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 12220353211 its reverse (11235302221), we get a palindrome (23455655432).

The spelling of 12220353211 in words is "twelve billion, two hundred twenty million, three hundred fifty-three thousand, two hundred eleven".

Divisors: 1 11 617 6787 1800553 19806083 1110941201 12220353211