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120212 = 2241733
BaseRepresentation
bin11101010110010100
320002220022
4131112110
512321322
62324312
71010321
oct352624
9202808
10120212
1182354
1259698
1342941
1431b48
1525942
hex1d594

120212 has 12 divisors (see below), whose sum is σ = 215796. Its totient is φ = 58560.

The previous prime is 120209. The next prime is 120223. The reversal of 120212 is 212021.

It can be written as a sum of positive squares in 2 ways, for example, as 64516 + 55696 = 254^2 + 236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120212.

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, 203 + ... + 530.

It is an arithmetic number, because the mean of its divisors is an integer number (17983).

2120212 is an apocalyptic number.

It is an amenable number.

120212 is a deficient number, since it is larger than the sum of its proper divisors (95584).

120212 is a wasteful number, since it uses less digits than its factorization.

120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 120212 is about 346.7160221276. The cubic root of 120212 is about 49.3532708960.

Adding to 120212 its reverse (212021), we get a palindrome (332233).

Subtracting 120212 from its reverse (212021), we obtain a square (91809 = 3032).

It can be divided in two parts, 12021 and 2, that multiplied together give a palindrome (24042).

The spelling of 120212 in words is "one hundred twenty thousand, two hundred twelve", and thus it is an iban number.