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12412140420 = 2235206869007
BaseRepresentation
bin10111000111101001…
…00011101110000100
31012001000122001201110
423203310203232010
5200410001443140
65411351125020
7616404311211
oct134364435604
935030561643
1012412140420
11529a369899
1224a4973770
13122a666cb4
1485a662b08
154c9a31380
hex2e3d23b84

12412140420 has 24 divisors (see below), whose sum is σ = 34753993344. Its totient is φ = 3309904096.

The previous prime is 12412140401. The next prime is 12412140421. The reversal of 12412140420 is 2404121421.

12412140420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×124121404202 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12412140421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103434444 + ... + 103434563.

It is an arithmetic number, because the mean of its divisors is an integer number (1448083056).

Almost surely, 212412140420 is an apocalyptic number.

12412140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12412140420 is an abundant number, since it is smaller than the sum of its proper divisors (22341852924).

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

12412140420 is a wasteful number, since it uses less digits than its factorization.

12412140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206869019 (or 206869017 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12412140420 its reverse (2404121421), we get a palindrome (14816261841).

The spelling of 12412140420 in words is "twelve billion, four hundred twelve million, one hundred forty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 206869007 413738014 620607021 827476028 1034345035 1241214042 2068690070 2482428084 3103035105 4137380140 6206070210 12412140420