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12202010202220 = 225610100510111
BaseRepresentation
bin1011000110010000000001…
…1110111101000001101100
31121012111112001220122022221
42301210000132331001230
53044404204102432340
641541305345445124
72366365121262256
oct261440036750154
947174461818287
1012202010202220
113984930720753
1214509b86407a4
136a684c318a17
1430281aa52cd6
15162607ac044a
hexb19007bd06c

12202010202220 has 12 divisors (see below), whose sum is σ = 25624221424704. Its totient is φ = 4880804080880.

The previous prime is 12202010202143. The next prime is 12202010202247. The reversal of 12202010202220 is 2220201020221.

It is a junction number, because it is equal to n+sod(n) for n = 12202010202194 and 12202010202203.

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 3 ways as a sum of consecutive naturals, for example, 305050255036 + ... + 305050255075.

It is an arithmetic number, because the mean of its divisors is an integer number (2135351785392).

Almost surely, 212202010202220 is an apocalyptic number.

12202010202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202010202220 is an abundant number, since it is smaller than the sum of its proper divisors (13422211222484).

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

12202010202220 is a wasteful number, since it uses less digits than its factorization.

12202010202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610100510120 (or 610100510118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12202010202220 its reverse (2220201020221), we get a palindrome (14422211222441).

The spelling of 12202010202220 in words is "twelve trillion, two hundred two billion, ten million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 610100510111 1220201020222 2440402040444 3050502550555 6101005101110 12202010202220