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12020223210 = 235478524981
BaseRepresentation
bin10110011000111011…
…00000110011101010
31011000201011121101020
423030131200303222
5144104134120320
65304431033310
7603605132352
oct131435406352
934021147336
1012020223210
115109114676
1223b566b836
1311973c5718
148205a3b62
154a5417940
hex2cc760cea

12020223210 has 32 divisors (see below), whose sum is σ = 29462337792. Its totient is φ = 3137192640.

The previous prime is 12020223191. The next prime is 12020223227. The reversal of 12020223210 is 1232202021.

It is a happy number.

12020223210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12020223210.

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 15 ways as a sum of consecutive naturals, for example, 4261081 + ... + 4263900.

It is an arithmetic number, because the mean of its divisors is an integer number (920698056).

Almost surely, 212020223210 is an apocalyptic number.

12020223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020223210 is an abundant number, since it is smaller than the sum of its proper divisors (17442114582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020223210 is a wasteful number, since it uses less digits than its factorization.

12020223210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8525038.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12020223210 its reverse (1232202021), we get a palindrome (13252425231).

The spelling of 12020223210 in words is "twelve billion, twenty million, two hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 8524981 17049962 25574943 42624905 51149886 85249810 127874715 255749430 400674107 801348214 1202022321 2003370535 2404044642 4006741070 6010111605 12020223210