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20222120010012 = 2237275867395089
BaseRepresentation
bin1001001100100010101000…
…10001111010000100011100
32122121012211022110010102020
410212101110101322010130
510122304400210310022
6111001525204500140
74154666661656664
oct446212421720434
978535738403366
1020222120010012
116497175613148
1223272230aa650
13b38c2628351b
144dca81ddd1a4
1525105524235c
hex12645447a11c

20222120010012 has 48 divisors (see below), whose sum is σ = 47258023438080. Its totient is φ = 6730270348032.

The previous prime is 20222120009989. The next prime is 20222120010073. The reversal of 20222120010012 is 21001002122202.

It is a junction number, because it is equal to n+sod(n) for n = 20222120009973 and 20222120010000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50986164 + ... + 51381252.

It is an arithmetic number, because the mean of its divisors is an integer number (984542154960).

Almost surely, 220222120010012 is an apocalyptic number.

It is an amenable number.

20222120010012 is an abundant number, since it is smaller than the sum of its proper divisors (27035903428068).

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

20222120010012 is a wasteful number, since it uses less digits than its factorization.

20222120010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401690 (or 401688 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20222120010012 its reverse (21001002122202), we get a palindrome (41223122132214).

The spelling of 20222120010012 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty million, ten thousand, twelve".

Divisors: 1 2 3 4 6 12 727 1454 2181 2908 4362 5867 8724 11734 17601 23468 35202 70404 395089 790178 1185267 1580356 2370534 4265309 4741068 8530618 12795927 17061236 25591854 51183708 287229703 574459406 861689109 1148918812 1723378218 2317987163 3446756436 4635974326 6953961489 9271948652 13907922978 27815845956 1685176667501 3370353335002 5055530002503 6740706670004 10111060005006 20222120010012