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12200001020221 = 738917231260017
BaseRepresentation
bin1011000110001000100010…
…1110100010000100111101
31121012022100001021121202211
42301202020232202010331
53044341100230121341
641540334134020421
72366264253435640
oct261421056420475
947168301247684
1012200001020221
113983a9a582563
1214505377a7711
136a65bbca8231
143026a9c87a57
1516253b4e7181
hexb1888ba213d

12200001020221 has 16 divisors (see below), whose sum is σ = 13979566149120. Its totient is φ = 10429616183040.

The previous prime is 12200001020201. The next prime is 12200001020239. The reversal of 12200001020221 is 12202010000221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12200001020221 - 25 = 12200001020189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200001020201) 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 15 ways as a sum of consecutive naturals, for example, 46790005 + ... + 47050021.

It is an arithmetic number, because the mean of its divisors is an integer number (873722884320).

Almost surely, 212200001020221 is an apocalyptic number.

It is an amenable number.

12200001020221 is a deficient number, since it is larger than the sum of its proper divisors (1779565128899).

12200001020221 is a wasteful number, since it uses less digits than its factorization.

12200001020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277644.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12200001020221 its reverse (12202010000221), we get a palindrome (24402011020442).

The spelling of 12200001020221 in words is "twelve trillion, two hundred billion, one million, twenty thousand, two hundred twenty-one".

Divisors: 1 7 389 2723 17231 120617 260017 1820119 6702859 46920013 101146613 708026291 4480352927 31362470489 1742857288603 12200001020221