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120325212 = 223276912
BaseRepresentation
bin1110010110000…
…00010001011100
322101102011011100
413023000101130
5221300401322
615534553100
72660514240
oct713002134
9271364140
10120325212
1161a14127
1234368790
131bc0bc67
1411da2420
15a86bdac
hex72c045c

120325212 has 54 divisors (see below), whose sum is σ = 348109944. Its totient is φ = 34328880.

The previous prime is 120325207. The next prime is 120325237. The reversal of 120325212 is 212523021.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 173787 + ... + 174477.

Almost surely, 2120325212 is an apocalyptic number.

120325212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120325212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174054972).

120325212 is an abundant number, since it is smaller than the sum of its proper divisors (227784732).

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

120325212 is an equidigital number, since it uses as much as digits as its factorization.

120325212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120325212 is about 10969.2849356738. The cubic root of 120325212 is about 493.6875917062.

Adding to 120325212 its reverse (212523021), we get a palindrome (332848233).

The spelling of 120325212 in words is "one hundred twenty million, three hundred twenty-five thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 691 1382 2073 2764 4146 4837 6219 8292 9674 12438 14511 19348 24876 29022 43533 58044 87066 174132 477481 954962 1432443 1909924 2864886 3342367 4297329 5729772 6684734 8594658 10027101 13369468 17189316 20054202 30081303 40108404 60162606 120325212