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12202110222220 = 225610105511111
BaseRepresentation
bin1011000110010000011001…
…1100011111111110001100
31121012111210001010011222101
42301210012130133332030
53044404410204102340
641541323321324444
72366400444366622
oct261440634377614
947174701104871
1012202110222220
113984982126206
121450a26036724
136a6866c68659
1430282a04b512
1516261177ac9a
hexb190671ff8c

12202110222220 has 12 divisors (see below), whose sum is σ = 25624431466704. Its totient is φ = 4880844088880.

The previous prime is 12202110222161. The next prime is 12202110222343. The reversal of 12202110222220 is 2222201120221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305052755536 + ... + 305052755575.

It is an arithmetic number, because the mean of its divisors is an integer number (2135369288892).

Almost surely, 212202110222220 is an apocalyptic number.

12202110222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202110222220 is an abundant number, since it is smaller than the sum of its proper divisors (13422321244484).

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

12202110222220 is a wasteful number, since it uses less digits than its factorization.

12202110222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610105511120 (or 610105511118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12202110222220 its reverse (2222201120221), we get a palindrome (14424311342441).

The spelling of 12202110222220 in words is "twelve trillion, two hundred two billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 610105511111 1220211022222 2440422044444 3050527555555 6101055111110 12202110222220