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212221032000 = 26353193371381
BaseRepresentation
bin1100010110100101011…
…0111111011001000000
3202021210001022102202020
43011221112333121000
511434112041011000
6241254253121440
721222015002625
oct3055126773100
9667701272666
10212221032000
118200327044a
1235168489280
13170211c3063
14a3b31d834c
1557c1305ba0
hex31695bf640

212221032000 has 448 divisors, whose sum is σ = 740360175360. Its totient is φ = 53415936000.

The previous prime is 212221031999. The next prime is 212221032047. The reversal of 212221032000 is 230122212.

It is a happy number.

212221032000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 153671310 + ... + 153672690.

Almost surely, 2212221032000 is an apocalyptic number.

212221032000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212221032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370180087680).

212221032000 is an abundant number, since it is smaller than the sum of its proper divisors (528139143360).

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

212221032000 is a wasteful number, since it uses less digits than its factorization.

212221032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212221032000 its reverse (230122212), we get a palindrome (212451154212).

The spelling of 212221032000 in words is "two hundred twelve billion, two hundred twenty-one million, thirty-two thousand".