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12201112022020 = 2252201632770927
BaseRepresentation
bin1011000110001100101011…
…1100101010110000000100
31121012102012110211100201121
42301203022330222300010
53044400334134201040
641541040302403324
72366333634003145
oct261431274526004
947172173740647
1012201112022020
11398450a721669
1214507a7890544
136a673820b74c
1430277364bacc
151625a3d02c4a
hexb18caf2ac04

12201112022020 has 24 divisors (see below), whose sum is σ = 25622460872064. Its totient is φ = 4880420880096.

The previous prime is 12201112022017. The next prime is 12201112022041. The reversal of 12201112022020 is 2022021110221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12201112021985 and 12201112022003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017797 + ... + 5788723.

It is an arithmetic number, because the mean of its divisors is an integer number (1067602536336).

Almost surely, 212201112022020 is an apocalyptic number.

12201112022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201112022020 is an abundant number, since it is smaller than the sum of its proper divisors (13421348850044).

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

12201112022020 is a wasteful number, since it uses less digits than its factorization.

12201112022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991099 (or 2991097 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12201112022020 its reverse (2022021110221), we get a palindrome (14223133132241).

The spelling of 12201112022020 in words is "twelve trillion, two hundred one billion, one hundred twelve million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 220163 440326 880652 1100815 2201630 2770927 4403260 5541854 11083708 13854635 27709270 55418540 610055601101 1220111202202 2440222404404 3050278005505 6100556011010 12201112022020