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212222313000 = 233253128318379
BaseRepresentation
bin1100010110100101101…
…1111000001000101000
3202021210010201111221200
43011221123320020220
511434112403004000
6241254340404200
721222031616415
oct3055133701050
9667703644850
10212222313000
1182003a65925
12351689a6660
1317021551149
14a3b344d10c
1557c14aa500
hex31696f8228

212222313000 has 192 divisors, whose sum is σ = 717909566400. Its totient is φ = 56545430400.

The previous prime is 212222312989. The next prime is 212222313011. The reversal of 212222313000 is 313222212.

212222313000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212222312989) and next prime (212222313011).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11537811 + ... + 11556189.

It is an arithmetic number, because the mean of its divisors is an integer number (3739112325).

Almost surely, 2212222313000 is an apocalyptic number.

212222313000 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 212222313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358954783200).

212222313000 is an abundant number, since it is smaller than the sum of its proper divisors (505687253400).

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

212222313000 is a wasteful number, since it uses less digits than its factorization.

212222313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19689 (or 19672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212222313000 its reverse (313222212), we get a palindrome (212535535212).

The spelling of 212222313000 in words is "two hundred twelve billion, two hundred twenty-two million, three hundred thirteen thousand".