Search a number
-
+
2112100211212 = 221488735468869
BaseRepresentation
bin11110101111000010111…
…110111001101000001100
321110220200220011121111121
4132233002332321220030
5234101040123224322
64254141353330324
7305410545402205
oct36570276715014
97426626147447
102112100211212
11744811563742
122a140a1069a4
13124229bc42b4
14743249765ac
1539e1967eec7
hex1ebc2fb9a0c

2112100211212 has 12 divisors (see below), whose sum is σ = 3696423755920. Its totient is φ = 1055979138096.

The previous prime is 2112100211197. The next prime is 2112100211237. The reversal of 2112100211212 is 2121120012112.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17674887 + ... + 17793982.

Almost surely, 22112100211212 is an apocalyptic number.

It is an amenable number.

2112100211212 is a deficient number, since it is larger than the sum of its proper divisors (1584323544708).

2112100211212 is a wasteful number, since it uses less digits than its factorization.

2112100211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35483760 (or 35483758 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112100211212 its reverse (2121120012112), we get a palindrome (4233220223324).

The spelling of 2112100211212 in words is "two trillion, one hundred twelve billion, one hundred million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 14887 29774 59548 35468869 70937738 141875476 528025052803 1056050105606 2112100211212