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3221212120201 = 89227159442267
BaseRepresentation
bin101110110111111111001…
…101000100010010001001
3102101221111210220022112001
4232313333031010102021
5410234020300321301
610503445430551001
7451503432153115
oct56677715042211
912357453808461
103221212120201
1110321212a0829
12440361508461
131a49b36a2a9a
14b1c9c266745
1558bd0065c01
hex2edff344489

3221212120201 has 8 divisors (see below), whose sum is σ = 3271755339360. Its totient is φ = 3170987786208.

The previous prime is 3221212120199. The next prime is 3221212120229. The reversal of 3221212120201 is 1020212121223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3221212120201 - 21 = 3221212120199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221212126201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79700931 + ... + 79741336.

It is an arithmetic number, because the mean of its divisors is an integer number (408969417420).

Almost surely, 23221212120201 is an apocalyptic number.

It is an amenable number.

3221212120201 is a deficient number, since it is larger than the sum of its proper divisors (50543219159).

3221212120201 is a wasteful number, since it uses less digits than its factorization.

3221212120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159442583.

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

Adding to 3221212120201 its reverse (1020212121223), we get a palindrome (4241424241424).

The spelling of 3221212120201 in words is "three trillion, two hundred twenty-one billion, two hundred twelve million, one hundred twenty thousand, two hundred one".

Divisors: 1 89 227 20203 159442267 14190361763 36193394609 3221212120201