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20212000120000 = 265413192107671
BaseRepresentation
bin1001001100001111110010…
…00101100101110011000000
32122120020201001002110010001
410212013321011211303000
510122123134012320000
6110553133100245344
74154161130222323
oct446077105456300
978506631073101
1020212000120000
116492952161a87
122325279b40854
13b37ca27aa220
144dc3a1d8c7ba
15250b61aa146a
hex1261f9165cc0

20212000120000 has 420 divisors, whose sum is σ = 56965320649776. Its totient is φ = 7070042880000.

The previous prime is 20212000119973. The next prime is 20212000120009. The reversal of 20212000120000 is 2100021202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20212000120009) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 187666165 + ... + 187773835.

Almost surely, 220212000120000 is an apocalyptic number.

20212000120000 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 20212000120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28482660324888).

20212000120000 is an abundant number, since it is smaller than the sum of its proper divisors (36753320529776).

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

20212000120000 is a wasteful number, since it uses less digits than its factorization.

20212000120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107754 (or 107710 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20212000120000 its reverse (2100021202), we get a palindrome (20214100141202).

The spelling of 20212000120000 in words is "twenty trillion, two hundred twelve billion, one hundred twenty thousand".