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20222001222012 = 22321972851382011
BaseRepresentation
bin1001001100100010011010…
…01100110001000101111100
32122121012112000221001220200
410212101031030301011330
510122304124303101022
6111001505322443500
74154664020204202
oct446211514610574
978535460831820
1020222001222012
116497114559a47
1223271ab363590
13b38c07792175
144dca7031b072
15251049acabac
hex12644d33117c

20222001222012 has 36 divisors (see below), whose sum is σ = 51376201092216. Its totient is φ = 6706450487520.

The previous prime is 20222001222001. The next prime is 20222001222113. The reversal of 20222001222012 is 21022210022202.

20222001222012 is a `hidden beast` number, since 202 + 220 + 0 + 12 + 220 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1425683914 + ... + 1425698097.

It is an arithmetic number, because the mean of its divisors is an integer number (1427116697006).

Almost surely, 220222001222012 is an apocalyptic number.

It is an amenable number.

20222001222012 is an abundant number, since it is smaller than the sum of its proper divisors (31154199870204).

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

20222001222012 is a wasteful number, since it uses less digits than its factorization.

20222001222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851382218 (or 2851382213 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20222001222012 its reverse (21022210022202), we get a palindrome (41244211244214).

The spelling of 20222001222012 in words is "twenty trillion, two hundred twenty-two billion, one million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 197 394 591 788 1182 1773 2364 3546 7092 2851382011 5702764022 8554146033 11405528044 17108292066 25662438099 34216584132 51324876198 102649752396 561722256167 1123444512334 1685166768501 2246889024668 3370333537002 5055500305503 6740667074004 10111000611006 20222001222012