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12100221212201 = 43475959130173
BaseRepresentation
bin1011000000010100110101…
…1000110001011000101001
31120211202210012222012010122
42300011031120301120221
53041222223112242301
641422433114253025
72356132522163363
oct260051530613051
946752705865118
1012100221212201
113945747470a01
12143512b727175
1369a079ca2705
142db922183d33
1515eb4b7a481b
hexb014d631629

12100221212201 has 8 divisors (see below), whose sum is σ = 12384223642560. Its totient is φ = 11816337051792.

The previous prime is 12100221212179. The next prime is 12100221212207. The reversal of 12100221212201 is 10221212200121.

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 12100221212201 - 226 = 12100154103337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12100221212201.

It is not an unprimeable number, because it can be changed into a prime (12100221212207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29360450 + ... + 29769723.

It is an arithmetic number, because the mean of its divisors is an integer number (1548027955320).

Almost surely, 212100221212201 is an apocalyptic number.

It is an amenable number.

12100221212201 is a deficient number, since it is larger than the sum of its proper divisors (284002430359).

12100221212201 is an equidigital number, since it uses as much as digits as its factorization.

12100221212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59134975.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12100221212201 its reverse (10221212200121), we get a palindrome (22321433412322).

The spelling of 12100221212201 in words is "twelve trillion, one hundred billion, two hundred twenty-one million, two hundred twelve thousand, two hundred one".

Divisors: 1 43 4759 204637 59130173 2542597439 281400493307 12100221212201