Search a number
-
+
12020121106 = 272373314981
BaseRepresentation
bin10110011000111010…
…00111111000010010
31011000200222102022121
423030131013320102
5144104122333411
65304424524454
7603604225600
oct131435077022
934020872277
1012020121106
115109054994
1223b562072a
13119738b0c6
14820578870
154a53e7571
hex2cc747e12

12020121106 has 24 divisors (see below), whose sum is σ = 21540753036. Its totient is φ = 5012249760.

The previous prime is 12020121097. The next prime is 12020121161. The reversal of 12020121106 is 60112102021.

12020121106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10535174881 + 1484946225 = 102641^2 + 38535^2 .

It is a super-2 number, since 2×120201211062 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12020121106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1653865 + ... + 1661116.

Almost surely, 212020121106 is an apocalyptic number.

12020121106 is a deficient number, since it is larger than the sum of its proper divisors (9520631930).

12020121106 is a wasteful number, since it uses less digits than its factorization.

12020121106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315034 (or 3315027 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12020121106 its reverse (60112102021), we get a palindrome (72132223127).

The spelling of 12020121106 in words is "twelve billion, twenty million, one hundred twenty-one thousand, one hundred six".

Divisors: 1 2 7 14 37 49 74 98 259 518 1813 3626 3314981 6629962 23204867 46409734 122654297 162434069 245308594 324868138 858580079 1717160158 6010060553 12020121106