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12120220201 is a prime number
BaseRepresentation
bin10110100100110101…
…11110001000101001
31011021200022222110111
423102122332020221
5144310234021301
65322402214321
7606231112645
oct132232761051
934250288414
1012120220201
11515a603911
1224230543a1
1311b2037a3b
1482d993c25
154ae0bb551
hex2d26be229

12120220201 has 2 divisors, whose sum is σ = 12120220202. Its totient is φ = 12120220200.

The previous prime is 12120220187. The next prime is 12120220243. The reversal of 12120220201 is 10202202121.

It is a happy number.

12120220201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12078229801 + 41990400 = 109901^2 + 6480^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120220201 - 25 = 12120220169 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120280201) 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 as a sum of consecutive naturals, namely, 6060110100 + 6060110101.

It is an arithmetic number, because the mean of its divisors is an integer number (6060110101).

Almost surely, 212120220201 is an apocalyptic number.

It is an amenable number.

12120220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120220201 is an equidigital number, since it uses as much as digits as its factorization.

12120220201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12120220201 its reverse (10202202121), we get a palindrome (22322422322).

The spelling of 12120220201 in words is "twelve billion, one hundred twenty million, two hundred twenty thousand, two hundred one".