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121200122110 = 2512120012211
BaseRepresentation
bin111000011100000010…
…1110001100011111110
3102120211122102010112111
41300320011301203332
53441204212401420
6131402323124234
711520311016454
oct1607005614376
9376748363474
10121200122110
1147445344681
121b5a581367a
13b576a222b2
145c1a8a89d4
15324551745a
hex1c381718fe

121200122110 has 8 divisors (see below), whose sum is σ = 218160219816. Its totient is φ = 48480048840.

The previous prime is 121200122107. The next prime is 121200122117. The reversal of 121200122110 is 11221002121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200122117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060006096 + ... + 6060006115.

It is an arithmetic number, because the mean of its divisors is an integer number (27270027477).

Almost surely, 2121200122110 is an apocalyptic number.

121200122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200122110 is a deficient number, since it is larger than the sum of its proper divisors (96960097706).

121200122110 is a wasteful number, since it uses less digits than its factorization.

121200122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120012218.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121200122110 its reverse (11221002121), we get a palindrome (132421124231).

The spelling of 121200122110 in words is "one hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 12120012211 24240024422 60600061055 121200122110