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12132423120 = 243550551763
BaseRepresentation
bin10110100110010011…
…00001010111010000
31011022112021221201110
423103021201113100
5144321400014440
65323515533320
7606436615656
oct132311412720
934275257643
1012132423120
115166489074
12242715a240
1311b471b1bc
1483144cdd6
154b01cc080
hex2d32615d0

12132423120 has 40 divisors (see below), whose sum is σ = 37610512416. Its totient is φ = 3235312768.

The previous prime is 12132423113. The next prime is 12132423143. The reversal of 12132423120 is 2132423121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25275642 + ... + 25276121.

Almost surely, 212132423120 is an apocalyptic number.

12132423120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12132423120 is an abundant number, since it is smaller than the sum of its proper divisors (25478089296).

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

12132423120 is a wasteful number, since it uses less digits than its factorization.

12132423120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50551779 (or 50551773 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12132423120 its reverse (2132423121), we get a palindrome (14264846241).

Subtracting from 12132423120 its reverse (2132423121), we obtain a palindrome (9999999999).

The spelling of 12132423120 in words is "twelve billion, one hundred thirty-two million, four hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 50551763 101103526 151655289 202207052 252758815 303310578 404414104 505517630 606621156 758276445 808828208 1011035260 1213242312 1516552890 2022070520 2426484624 3033105780 4044141040 6066211560 12132423120