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20212000112201 = 87723046750413
BaseRepresentation
bin1001001100001111110010…
…00101100011111001001001
32122120020201001002001102012
410212013321011203321021
510122123134012042301
6110553133100145305
74154161130160512
oct446077105437111
978506631061365
1020212000112201
116492952157137
122325279b38235
13b37ca27a6801
144dc3a1d89a09
15250b61a9debb
hex1261f9163e49

20212000112201 has 4 divisors (see below), whose sum is σ = 20235046863492. Its totient is φ = 20188953360912.

The previous prime is 20212000112159. The next prime is 20212000112209. The reversal of 20212000112201 is 10221100021202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18924283542025 + 1287716570176 = 4350205^2 + 1134776^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212000112201 - 226 = 20211933003337 is a prime.

It is a super-2 number, since 2×202120001122012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20212000112209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11523374330 + ... + 11523376083.

It is an arithmetic number, because the mean of its divisors is an integer number (5058761715873).

Almost surely, 220212000112201 is an apocalyptic number.

It is an amenable number.

20212000112201 is a deficient number, since it is larger than the sum of its proper divisors (23046751291).

20212000112201 is an equidigital number, since it uses as much as digits as its factorization.

20212000112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23046751290.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20212000112201 its reverse (10221100021202), we get a palindrome (30433100133403).

Subtracting from 20212000112201 its reverse (10221100021202), we obtain a palindrome (9990900090999).

The spelling of 20212000112201 in words is "twenty trillion, two hundred twelve billion, one hundred twelve thousand, two hundred one".

Divisors: 1 877 23046750413 20212000112201