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212212021201003 = 916123164722323
BaseRepresentation
bin110000010000000101110110…
…001001000000100001101011
31000211101021022122000010112001
4300100011312021000201223
5210303340204411413003
62031200505013431431
762461545466651345
oct6020056611004153
91024337278003461
10212212021201003
116168768168060a
121b97414063b577
13915467a646405
143a5918c060295
1519801c599161d
hexc1017624086b

212212021201003 has 4 divisors (see below), whose sum is σ = 212235185932488. Its totient is φ = 212188856469520.

The previous prime is 212212021200989. The next prime is 212212021201021. The reversal of 212212021201003 is 300102120212212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212212021201003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212212021202003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11582352001 + ... + 11582370322.

It is an arithmetic number, because the mean of its divisors is an integer number (53058796483122).

Almost surely, 2212212021201003 is an apocalyptic number.

212212021201003 is a deficient number, since it is larger than the sum of its proper divisors (23164731485).

212212021201003 is an equidigital number, since it uses as much as digits as its factorization.

212212021201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23164731484.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212212021201003 its reverse (300102120212212), we get a palindrome (512314141413215).

The spelling of 212212021201003 in words is "two hundred twelve trillion, two hundred twelve billion, twenty-one million, two hundred one thousand, three".

Divisors: 1 9161 23164722323 212212021201003