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12122120010 = 23571121336697
BaseRepresentation
bin10110100101000100…
…01101111101001010
31011021210220111111210
423102202031331022
5144311230320020
65322511033550
7606253214520
oct132242157512
934253814453
1012122120010
115160691200
12242380b8b6
1311b25516a0
1482dd2a310
154ae3443e0
hex2d288df4a

12122120010 has 192 divisors, whose sum is σ = 39359045376. Its totient is φ = 2325058560.

The previous prime is 12122119951. The next prime is 12122120033. The reversal of 12122120010 is 1002122121.

12122120010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 311982 + ... + 348678.

It is an arithmetic number, because the mean of its divisors is an integer number (204995028).

Almost surely, 212122120010 is an apocalyptic number.

12122120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122120010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19679522688).

12122120010 is an abundant number, since it is smaller than the sum of its proper divisors (27236925366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122120010 is a wasteful number, since it uses less digits than its factorization.

12122120010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36749 (or 36738 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12122120010 its reverse (1002122121), we get a palindrome (13124242131).

The spelling of 12122120010 in words is "twelve billion, one hundred twenty-two million, one hundred twenty thousand, ten".