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12000122201 = 19631585379
BaseRepresentation
bin10110010110100001…
…10101010101011001
31010222022100100222102
423023100311111121
5144034012402301
65302432133145
7603242233004
oct131320652531
933868310872
1012000122201
1150a8835471
1223aa9971b5
1311931a8332
1481ba5053b
154a3796b6b
hex2cb435559

12000122201 has 4 divisors (see below), whose sum is σ = 12631707600. Its totient is φ = 11368536804.

The previous prime is 12000122171. The next prime is 12000122219. The reversal of 12000122201 is 10222100021.

It is a happy number.

12000122201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10222100021 = 71460300003.

It is a cyclic number.

It is not a de Polignac number, because 12000122201 - 222 = 11995927897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000128201) 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, 315792671 + ... + 315792708.

It is an arithmetic number, because the mean of its divisors is an integer number (3157926900).

Almost surely, 212000122201 is an apocalyptic number.

It is an amenable number.

12000122201 is a deficient number, since it is larger than the sum of its proper divisors (631585399).

12000122201 is an equidigital number, since it uses as much as digits as its factorization.

12000122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631585398.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12000122201 its reverse (10222100021), we get a palindrome (22222222222).

The spelling of 12000122201 in words is "twelve billion, one hundred twenty-two thousand, two hundred one".

Divisors: 1 19 631585379 12000122201