Search a number
-
+
212000000212001 = 47611732029210659
BaseRepresentation
bin110000001101000000011000…
…101101000111110000100001
31000210122000001112002221011202
4300031000120231013300201
5210241402000023241001
62030515242224050545
762440331431202231
oct6015003055076041
91023560045087152
10212000000212001
1161605771322461
121b93b02b163a55
13913a68ba240c1
143a4cbd7659cc1
15197991700296b
hexc0d018b47c21

212000000212001 has 32 divisors (see below), whose sum is σ = 221442151795200. Its totient is φ = 202807231361280.

The previous prime is 212000000211977. The next prime is 212000000212051. The reversal of 212000000212001 is 100212000000212.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212000000212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212000000212051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1006260410 + ... + 1006471068.

It is an arithmetic number, because the mean of its divisors is an integer number (6920067243600).

Almost surely, 2212000000212001 is an apocalyptic number.

It is an amenable number.

212000000212001 is a deficient number, since it is larger than the sum of its proper divisors (9442151583199).

212000000212001 is a wasteful number, since it uses less digits than its factorization.

212000000212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212969.

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

Adding to 212000000212001 its reverse (100212000000212), we get a palindrome (312212000212213).

The spelling of 212000000212001 in words is "two hundred twelve trillion, two hundred twelve thousand, one".

Divisors: 1 47 61 173 2029 2867 8131 10553 95363 123769 210659 351017 495991 5817143 9900973 12850199 16497799 21412037 36444007 427427111 603959353 1006365739 1712868329 2223084427 20089074217 26073053771 73944890203 104484968069 1225433527237 3475409839541 4510638302383 212000000212001