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12234012 = 2237145643
BaseRepresentation
bin101110101010…
…110100011100
3212000112220120
4232222310130
511112442022
61114114540
7205662450
oct56526434
925015816
1012234012
1169a665a
12411ba50
1326c467b
1418a6660
151119d5c
hexbaad1c

12234012 has 24 divisors (see below), whose sum is σ = 32624256. Its totient is φ = 3495408.

The previous prime is 12234011. The next prime is 12234017. The reversal of 12234012 is 21043221.

It is a super-2 number, since 2×122340122 = 299342099232288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12233982 and 12234000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72738 + ... + 72905.

It is an arithmetic number, because the mean of its divisors is an integer number (1359344).

Almost surely, 212234012 is an apocalyptic number.

12234012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12234012 is an abundant number, since it is smaller than the sum of its proper divisors (20390244).

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

12234012 is a wasteful number, since it uses less digits than its factorization.

12234012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145657 (or 145655 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12234012 is about 3497.7152542767. The cubic root of 12234012 is about 230.4214829746.

Adding to 12234012 its reverse (21043221), we get a palindrome (33277233).

The spelling of 12234012 in words is "twelve million, two hundred thirty-four thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 145643 291286 436929 582572 873858 1019501 1747716 2039002 3058503 4078004 6117006 12234012