Search a number
-
+
201212020211 = 4721134631741
BaseRepresentation
bin1011101101100100101…
…0111100010111110011
3201020100210220200122212
42323121022330113303
511244040234121321
6232234023522335
720352135644426
oct2733112742763
9636323820585
10201212020211
1178373a379a4
1232bb55b93ab
1315c884618b7
149a4b05d9bd
155379a8655b
hex2ed92bc5f3

201212020211 has 24 divisors (see below), whose sum is σ = 207970885824. Its totient is φ = 194654718720.

The previous prime is 201212020187. The next prime is 201212020237. The reversal of 201212020211 is 112020212102.

It is not a de Polignac number, because 201212020211 - 26 = 201212020147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212020241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115571801 + ... + 115573541.

It is an arithmetic number, because the mean of its divisors is an integer number (8665453576).

Almost surely, 2201212020211 is an apocalyptic number.

201212020211 is a deficient number, since it is larger than the sum of its proper divisors (6758865613).

201212020211 is a wasteful number, since it uses less digits than its factorization.

201212020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2364 counting only the distinct ones).

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

Adding to 201212020211 its reverse (112020212102), we get a palindrome (313232232313).

The spelling of 201212020211 in words is "two hundred one billion, two hundred twelve million, twenty thousand, two hundred eleven".

Divisors: 1 47 113 463 1741 2209 5311 21761 52319 81827 196733 249617 806083 1022767 2458993 3845869 9246451 37885901 91087379 115572671 434583197 1780637347 4281106813 201212020211