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2112210200000 = 265513997549
BaseRepresentation
bin11110101111001001100…
…010011110010111000000
321110220222120010121202102
4132233021202132113000
5234101301302400000
64254200323005532
7305413352316215
oct36571142362700
97426876117672
102112210200000
1174486865796a
122a143ab098a8
13124246924514
1474335407b0c
1539e241593d5
hex1ebc989e5c0

2112210200000 has 168 divisors, whose sum is σ = 5243375340000. Its totient is φ = 844168320000.

The previous prime is 2112210199999. The next prime is 2112210200033. The reversal of 2112210200000 is 20122112.

It is a happy number.

It is a super-2 number, since 2×21122102000002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279796226 + ... + 279803774.

It is an arithmetic number, because the mean of its divisors is an integer number (31210567500).

Almost surely, 22112210200000 is an apocalyptic number.

2112210200000 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 2112210200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2621687670000).

2112210200000 is an abundant number, since it is smaller than the sum of its proper divisors (3131165140000).

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

2112210200000 is an frugal number, since it uses more digits than its factorization.

2112210200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8985 (or 8955 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2112210200000 its reverse (20122112), we get a palindrome (2112230322112).

The spelling of 2112210200000 in words is "two trillion, one hundred twelve billion, two hundred ten million, two hundred thousand".