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12200111011020 = 2235203335183517
BaseRepresentation
bin1011000110001000111101…
…0010000111010011001100
31121012022121201020201210010
42301202033102013103030
53044341311404323040
641540353103313220
72366300060361552
oct261421722072314
947168551221703
1012200111011020
113984046678249
1214505685ab810
136a6608a0934a
143026ba719bd2
15162545ec1e80
hexb188f4874cc

12200111011020 has 24 divisors (see below), whose sum is σ = 34160310831024. Its totient is φ = 3253362936256.

The previous prime is 12200111011001. The next prime is 12200111011061. The reversal of 12200111011020 is 2011011100221.

It is a super-2 number, since 2×122001110110202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12200111010987 and 12200111011005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101667591699 + ... + 101667591818.

It is an arithmetic number, because the mean of its divisors is an integer number (1423346284626).

Almost surely, 212200111011020 is an apocalyptic number.

12200111011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200111011020 is an abundant number, since it is smaller than the sum of its proper divisors (21960199820004).

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

12200111011020 is a wasteful number, since it uses less digits than its factorization.

12200111011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203335183529 (or 203335183527 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12200111011020 its reverse (2011011100221), we get a palindrome (14211122111241).

The spelling of 12200111011020 in words is "twelve trillion, two hundred billion, one hundred eleven million, eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 203335183517 406670367034 610005550551 813340734068 1016675917585 1220011101102 2033351835170 2440022202204 3050027752755 4066703670340 6100055505510 12200111011020