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102212000000 = 28561123101
BaseRepresentation
bin101111100110001001…
…1110101100100000000
3100202211022220120210122
41133030103311210000
53133312233000000
6114542221515412
710245623444045
oct1371423654400
9322738816718
10102212000000
113a391011480
1217986712b68
13983bb83096
144d38b431cc
1529d3527085
hex17cc4f5900

102212000000 has 504 divisors, whose sum is σ = 293182497216. Its totient is φ = 35200000000.

The previous prime is 102211999999. The next prime is 102212000003. The reversal of 102212000000 is 212201.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (102212000003) 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 55 ways as a sum of consecutive naturals, for example, 1011999950 + ... + 1012000050.

It is an arithmetic number, because the mean of its divisors is an integer number (581711304).

Almost surely, 2102212000000 is an apocalyptic number.

102212000000 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 102212000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146591248608).

102212000000 is an abundant number, since it is smaller than the sum of its proper divisors (190970497216).

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

102212000000 is an frugal number, since it uses more digits than its factorization.

102212000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 102212000000 its reverse (212201), we get a palindrome (102212212201).

The spelling of 102212000000 in words is "one hundred two billion, two hundred twelve million", and thus it is an aban number.