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12212120222202 = 2312791591363073
BaseRepresentation
bin1011000110110101101100…
…0101100111100111111010
31121020110121122200212111110
42301231123011213213322
53100040410234102302
641550100502341150
72400203503111215
oct261553305474772
947213548625443
1012212120222202
11398914955036a
12145295a42a7b6
136a77a0a47674
143030d965477c
151629ea461b6c
hexb1b5b1679fa

12212120222202 has 16 divisors (see below), whose sum is σ = 24443336816640. Its totient is φ = 4067524012032.

The previous prime is 12212120222189. The next prime is 12212120222227. The reversal of 12212120222202 is 20222202121221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795673863 + ... + 795689210.

It is an arithmetic number, because the mean of its divisors is an integer number (1527708551040).

Almost surely, 212212120222202 is an apocalyptic number.

12212120222202 is an abundant number, since it is smaller than the sum of its proper divisors (12231216594438).

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

12212120222202 is a wasteful number, since it uses less digits than its factorization.

12212120222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591364357.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12212120222202 its reverse (20222202121221), we get a palindrome (32434322343423).

The spelling of 12212120222202 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 1279 2558 3837 7674 1591363073 3182726146 4774089219 9548178438 2035353370367 4070706740734 6106060111101 12212120222202