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12020120210 = 2572394311667
BaseRepresentation
bin10110011000111010…
…00111101010010010
31011000200222101002102
423030131013222102
5144104122321320
65304424520402
7603604223150
oct131435075222
934020871072
1012020120210
11510905424a
1223b5620102
13119738a887
148205783d0
154a53e7175
hex2cc747a92

12020120210 has 64 divisors (see below), whose sum is σ = 24903106560. Its totient is φ = 4091962560.

The previous prime is 12020120171. The next prime is 12020120219. The reversal of 12020120210 is 1202102021.

It is a happy number.

12020120210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12020120191 and 12020120200.

It is not an unprimeable number, because it can be changed into a prime (12020120219) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7209797 + ... + 7211463.

It is an arithmetic number, because the mean of its divisors is an integer number (389111040).

Almost surely, 212020120210 is an apocalyptic number.

12020120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020120210 is an abundant number, since it is smaller than the sum of its proper divisors (12882986350).

12020120210 is a wasteful number, since it uses less digits than its factorization.

12020120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

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

Adding to 12020120210 its reverse (1202102021), we get a palindrome (13222222231).

The spelling of 12020120210 in words is "twelve billion, twenty million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 239 431 478 862 1195 1667 1673 2155 2390 3017 3334 3346 4310 6034 8335 8365 11669 15085 16670 16730 23338 30170 58345 103009 116690 206018 398413 515045 718477 721063 796826 1030090 1436954 1442126 1992065 2788891 3592385 3605315 3984130 5029339 5577782 7184770 7210630 10058678 13944455 25146695 27888910 50293390 171716003 343432006 858580015 1202012021 1717160030 2404024042 6010060105 12020120210