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212112020122011 = 3243201545542979
BaseRepresentation
bin110000001110101000101101…
…100111001010100110011011
31000211000201012101022222011200
4300032220231213022212123
5210300220404122401021
62031042530011325243
762451405410550162
oct6016505547124633
91024021171288150
10212112020122011
1161649225678889
121b958892450823
139148101849819
143a543c2bdc3d9
15197c7c15e2126
hexc0ea2d9ca99b

212112020122011 has 12 divisors (see below), whose sum is σ = 306391121685480. Its totient is φ = 141404739897600.

The previous prime is 212112020121997. The next prime is 212112020122069. The reversal of 212112020122011 is 110221020211212.

212112020122011 is a `hidden beast` number, since 2 + 1 + 211 + 20 + 201 + 220 + 11 = 666.

212112020122011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212112020122011 - 25 = 212112020121979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112020122091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272382681 + ... + 273160298.

It is an arithmetic number, because the mean of its divisors is an integer number (25532593473790).

Almost surely, 2212112020122011 is an apocalyptic number.

212112020122011 is a deficient number, since it is larger than the sum of its proper divisors (94279101563469).

212112020122011 is a wasteful number, since it uses less digits than its factorization.

212112020122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545586186 (or 545586183 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212112020122011 its reverse (110221020211212), we get a palindrome (322333040333223).

The spelling of 212112020122011 in words is "two hundred twelve trillion, one hundred twelve billion, twenty million, one hundred twenty-two thousand, eleven".

Divisors: 1 3 9 43201 129603 388809 545542979 1636628937 4909886811 23568002235779 70704006707337 212112020122011