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12012333030 = 23251259106013
BaseRepresentation
bin10110010111111110…
…11010011111100110
31011000011022202002100
423023333122133212
5144100124124110
65303545552530
7603451101045
oct131377323746
934004282070
1012012333030
115104715665
1223b2aa5746
131195892289
1481d50c55c
154a48a9bc0
hex2cbfda7e6

12012333030 has 48 divisors (see below), whose sum is σ = 31257167760. Its totient is φ = 3200714304.

The previous prime is 12012333001. The next prime is 12012333037. The reversal of 12012333030 is 3033321021.

It is a super-2 number, since 2×120123330302 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12012332994 and 12012333012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012333037) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 60304 + ... + 166316.

It is an arithmetic number, because the mean of its divisors is an integer number (651190995).

Almost surely, 212012333030 is an apocalyptic number.

12012333030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012333030 is an abundant number, since it is smaller than the sum of its proper divisors (19244834730).

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

12012333030 is a wasteful number, since it uses less digits than its factorization.

12012333030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107285 (or 107282 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12012333030 its reverse (3033321021), we get a palindrome (15045654051).

The spelling of 12012333030 in words is "twelve billion, twelve million, three hundred thirty-three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1259 2518 3777 6295 7554 11331 12590 18885 22662 37770 56655 106013 113310 212026 318039 530065 636078 954117 1060130 1590195 1908234 3180390 4770585 9541170 133470367 266940734 400411101 667351835 800822202 1201233303 1334703670 2002055505 2402466606 4004111010 6006166515 12012333030