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1200212 = 221323081
BaseRepresentation
bin100100101000001010100
32020222101022
410211001110
5301401322
641420312
713126106
oct4450124
92228338
101200212
1174a812
1249a698
133303b0
14233576
1518a942
hex125054

1200212 has 12 divisors (see below), whose sum is σ = 2262036. Its totient is φ = 553920.

The previous prime is 1200191. The next prime is 1200233. The reversal of 1200212 is 2120021.

It is an interprime number because it is at equal distance from previous prime (1200191) and next prime (1200233).

It can be written as a sum of positive squares in 2 ways, for example, as 364816 + 835396 = 604^2 + 914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1200212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11489 + ... + 11592.

It is an arithmetic number, because the mean of its divisors is an integer number (188503).

21200212 is an apocalyptic number.

It is an amenable number.

1200212 is a deficient number, since it is larger than the sum of its proper divisors (1061824).

1200212 is a wasteful number, since it uses less digits than its factorization.

1200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23098 (or 23096 counting only the distinct ones).

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

The square root of 1200212 is about 1095.5418750554. The cubic root of 1200212 is about 106.2721144280.

Adding to 1200212 its reverse (2120021), we get a palindrome (3320233).

It can be divided in two parts, 120021 and 2, that multiplied together give a palindrome (240042).

The spelling of 1200212 in words is "one million, two hundred thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 23081 46162 92324 300053 600106 1200212