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102212220000 = 2535411251617
BaseRepresentation
bin101111100110001010…
…0101011010001100000
3100202211100022202120210
41133030110223101200
53133312312020000
6114542230334120
710245625351332
oct1371424532140
9322740282523
10102212220000
113a3911517a0
12179867ba340
13983bc2c267
144d38b9d452
1529d356c350
hex17cc52b460

102212220000 has 480 divisors, whose sum is σ = 367808563584. Its totient is φ = 24640000000.

The previous prime is 102212219999. The next prime is 102212220007. The reversal of 102212220000 is 22212201.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212220007) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 165659692 + ... + 165660308.

Almost surely, 2102212220000 is an apocalyptic number.

102212220000 is a gapful number since it is divisible by the number (10) 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 102212220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183904281792).

102212220000 is an abundant number, since it is smaller than the sum of its proper divisors (265596343584).

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

102212220000 is a wasteful number, since it uses less digits than its factorization.

102212220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102212220000 its reverse (22212201), we get a palindrome (102234432201).

The spelling of 102212220000 in words is "one hundred two billion, two hundred twelve million, two hundred twenty thousand".