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BaseRepresentation
bin101101110111…
…000011111100
3211121210002201
4231313003330
511034201022
61105401244
7204120412
oct55670374
924553081
1012022012
116871352
124039224
13264c022
14184d2b2
1510c7127
hexb770fc

12022012 has 6 divisors (see below), whose sum is σ = 21038528. Its totient is φ = 6011004.

The previous prime is 12022007. The next prime is 12022013. The reversal of 12022012 is 21022021.

It is a self number, because there is not a number n which added to its sum of digits gives 12022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502748 + ... + 1502755.

Almost surely, 212022012 is an apocalyptic number.

It is an amenable number.

12022012 is a deficient number, since it is larger than the sum of its proper divisors (9016516).

12022012 is a wasteful number, since it uses less digits than its factorization.

12022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005507 (or 3005505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12022012 is about 3467.2773180119. The cubic root of 12022012 is about 229.0827488370.

Adding to 12022012 its reverse (21022021), we get a palindrome (33044033).

Subtracting 12022012 from its reverse (21022021), we obtain a palindrome (9000009).

The spelling of 12022012 in words is "twelve million, twenty-two thousand, twelve".

Divisors: 1 2 4 3005503 6011006 12022012