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12424213421212 = 2228031108117501
BaseRepresentation
bin1011010011001011110011…
…0100111101110010011100
31121222202001210110201100111
42310302330310331302130
53112024242113434322
642231334351535404
72421422406420205
oct264627464756234
947882053421314
1012424213421212
113a60096639a0a
121487a8bb2a564
136c17a16003a8
1430d4998945ac
151682b0416177
hexb4cbcd3dc9c

12424213421212 has 12 divisors (see below), whose sum is σ = 21750130329256. Its totient is φ = 6209890470000.

The previous prime is 12424213421197. The next prime is 12424213421233. The reversal of 12424213421212 is 21212431242421.

It is a super-3 number, since 3×124242134212123 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554047539 + ... + 554069962.

Almost surely, 212424213421212 is an apocalyptic number.

It is an amenable number.

12424213421212 is a deficient number, since it is larger than the sum of its proper divisors (9325916908044).

12424213421212 is a wasteful number, since it uses less digits than its factorization.

12424213421212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108120308 (or 1108120306 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

Adding to 12424213421212 its reverse (21212431242421), we get a palindrome (33636644663633).

The spelling of 12424213421212 in words is "twelve trillion, four hundred twenty-four billion, two hundred thirteen million, four hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 2803 5606 11212 1108117501 2216235002 4432470004 3106053355303 6212106710606 12424213421212