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12203223002020 = 2253209190140589
BaseRepresentation
bin1011000110010100100011…
…0001011010101110100100
31121012121122121000020220001
42301211020301122232210
53044414200042031040
641542025552151044
72366440146020611
oct261451061325644
947177577006801
1012203223002020
1139853a327a136
121451096838484
136a69b367223b
143028d3b55508
151626792d859a
hexb1948c5aba4

12203223002020 has 24 divisors (see below), whose sum is σ = 25634754343800. Its totient is φ = 4879768050432.

The previous prime is 12203223002011. The next prime is 12203223002029. The reversal of 12203223002020 is 2020032230221.

It is an interprime number because it is at equal distance from previous prime (12203223002011) and next prime (12203223002029).

It can be written as a sum of positive squares in 4 ways, for example, as 161951076 + 12203061050944 = 12726^2 + 3493288^2 .

It is not an unprimeable number, because it can be changed into a prime (12203223002029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95006115 + ... + 95134474.

It is an arithmetic number, because the mean of its divisors is an integer number (1068114764325).

Almost surely, 212203223002020 is an apocalyptic number.

12203223002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12203223002020 is an abundant number, since it is smaller than the sum of its proper divisors (13431531341780).

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

12203223002020 is a wasteful number, since it uses less digits than its factorization.

12203223002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190143807 (or 190143805 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12203223002020 its reverse (2020032230221), we get a palindrome (14223255232241).

The spelling of 12203223002020 in words is "twelve trillion, two hundred three billion, two hundred twenty-three million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 3209 6418 12836 16045 32090 64180 190140589 380281178 760562356 950702945 1901405890 3802811780 610161150101 1220322300202 2440644600404 3050805750505 6101611501010 12203223002020