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12030030120 = 2335195276329
BaseRepresentation
bin10110011010000101…
…11011000100101000
31011001101121211221010
423031002323010220
5144114141430440
65305421143520
7604054366053
oct131502730450
934041554833
1012030030120
115113702759
1223b89baba0
13119944a424
148219d7a9a
154a6203580
hex2cd0bb128

12030030120 has 64 divisors (see below), whose sum is σ = 37989576000. Its totient is φ = 3039164928.

The previous prime is 12030030107. The next prime is 12030030151. The reversal of 12030030120 is 2103003021.

It is a happy number.

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 = 12030030096 and 12030030105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2635885 + ... + 2640444.

It is an arithmetic number, because the mean of its divisors is an integer number (593587125).

Almost surely, 212030030120 is an apocalyptic number.

12030030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12030030120 is an abundant number, since it is smaller than the sum of its proper divisors (25959545880).

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

12030030120 is a wasteful number, since it uses less digits than its factorization.

12030030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276362 (or 5276358 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 12030030120 its reverse (2103003021), we get a palindrome (14133033141).

The spelling of 12030030120 in words is "twelve billion, thirty million, thirty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 2280 5276329 10552658 15828987 21105316 26381645 31657974 42210632 52763290 63315948 79144935 100250251 105526580 126631896 158289870 200500502 211053160 300750753 316579740 401001004 501251255 601501506 633159480 802002008 1002502510 1203003012 1503753765 2005005020 2406006024 3007507530 4010010040 6015015060 12030030120