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12242303430220 = 2251453421276787
BaseRepresentation
bin1011001000100110001000…
…1001011010111001001100
31121100100112011201201000201
42302021202021122321030
53101034214134231340
642012011521303244
72402322456126223
oct262114211327114
947310464651021
1012242303430220
11399aa28148286
121458782794b24
136aa5a1067876
1430476014dcba
151636b51c979a
hexb226225ae4c

12242303430220 has 24 divisors (see below), whose sum is σ = 25726530889584. Its totient is φ = 4893551146176.

The previous prime is 12242303430157. The next prime is 12242303430251. The reversal of 12242303430220 is 2203430324221.

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, 210609334 + ... + 210667453.

It is an arithmetic number, because the mean of its divisors is an integer number (1071938787066).

Almost surely, 212242303430220 is an apocalyptic number.

12242303430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12242303430220 is an abundant number, since it is smaller than the sum of its proper divisors (13484227459364).

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

12242303430220 is a wasteful number, since it uses less digits than its factorization.

12242303430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421278249 (or 421278247 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12242303430220 its reverse (2203430324221), we get a palindrome (14445733754441).

The spelling of 12242303430220 in words is "twelve trillion, two hundred forty-two billion, three hundred three million, four hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1453 2906 5812 7265 14530 29060 421276787 842553574 1685107148 2106383935 4212767870 8425535740 612115171511 1224230343022 2448460686044 3060575857555 6121151715110 12242303430220