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12022022021020 = 2251154645554641
BaseRepresentation
bin1010111011110001100001…
…0110100001111110011100
31120120021221101101200102121
42232330120112201332130
53033432100114133040
641322501330232324
72350363625055304
oct256743026417634
946507841350377
1012022022021020
113915569021180
121421b46a256a4
13692896c81b5b
142d7c24652604
1515cac144dc4a
hexaef185a1f9c

12022022021020 has 24 divisors (see below), whose sum is σ = 27541359539568. Its totient is φ = 4371644371200.

The previous prime is 12022022021011. The next prime is 12022022021143. The reversal of 12022022021020 is 2012022022021.

It is a junction number, because it is equal to n+sod(n) for n = 12022022020985 and 12022022021003.

It is a congruent number.

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, 27322777101 + ... + 27322777540.

It is an arithmetic number, because the mean of its divisors is an integer number (1147556647482).

Almost surely, 212022022021020 is an apocalyptic number.

12022022021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022022021020 is an abundant number, since it is smaller than the sum of its proper divisors (15519337518548).

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

12022022021020 is a wasteful number, since it uses less digits than its factorization.

12022022021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54645554661 (or 54645554659 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12022022021020 its reverse (2012022022021), we get a palindrome (14034044043041).

The spelling of 12022022021020 in words is "twelve trillion, twenty-two billion, twenty-two million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 54645554641 109291109282 218582218564 273227773205 546455546410 601101101051 1092911092820 1202202202102 2404404404204 3005505505255 6011011010510 12022022021020