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12020020000010 = 25111013037356243
BaseRepresentation
bin1010111011101010000100…
…0001011011010100001010
31120120002202212020110220022
42232322201001123110022
53033414000110000020
641321530532100442
72350263205135331
oct256724101332412
946502685213808
1012020020000010
113914730a24160
121421688464722
1369263827a939
142d7ab47ccd18
1515ca057dc625
hexaeea105b50a

12020020000010 has 64 divisors (see below), whose sum is σ = 23844556600704. Its totient is φ = 4326202848000.

The previous prime is 12020019999997. The next prime is 12020020000019. The reversal of 12020020000010 is 1000002002021.

It is not an unprimeable number, because it can be changed into a prime (12020020000019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33562949 + ... + 33919191.

It is an arithmetic number, because the mean of its divisors is an integer number (372571196886).

Almost surely, 212020020000010 is an apocalyptic number.

12020020000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020020000010 is a deficient number, since it is larger than the sum of its proper divisors (11824536600694).

12020020000010 is a wasteful number, since it uses less digits than its factorization.

12020020000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359399.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 12020020000010 its reverse (1000002002021), we get a palindrome (13020022002031).

The spelling of 12020020000010 in words is "twelve trillion, twenty billion, twenty million, ten", and thus it is an aban number and an uban number.

Divisors: 1 2 5 10 11 22 55 101 110 202 505 1010 1111 2222 3037 5555 6074 11110 15185 30370 33407 66814 167035 306737 334070 356243 613474 712486 1533685 1781215 3067370 3374107 3562430 3918673 6748214 7837346 16870535 19593365 33741070 35980543 39186730 71961086 179902715 359805430 395785973 791571946 1081909991 1978929865 2163819982 3957859730 5409549955 10819099910 11901009901 23802019802 59505049505 109272909091 119010099010 218545818182 546364545455 1092729090910 1202002000001 2404004000002 6010010000005 12020020000010