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12010021201 = 1910111235573
BaseRepresentation
bin10110010111101101…
…00110000101010001
31010222222222021212001
423023312212011101
5144044031134301
65303424234001
7603422332033
oct131366460521
933888867761
1012010021201
115103386762
1223b216b901
131195262c29
1481d0a9c53
154a459ec01
hex2cbda6151

12010021201 has 16 divisors (see below), whose sum is σ = 12780959040. Its totient is φ = 11253211200.

The previous prime is 12010021193. The next prime is 12010021207. The reversal of 12010021201 is 10212001021.

12010021201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12010021201 - 23 = 12010021193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12010021207) 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 15 ways as a sum of consecutive naturals, for example, 2152251 + ... + 2157823.

It is an arithmetic number, because the mean of its divisors is an integer number (798809940).

Almost surely, 212010021201 is an apocalyptic number.

It is an amenable number.

12010021201 is a deficient number, since it is larger than the sum of its proper divisors (770937839).

12010021201 is a wasteful number, since it uses less digits than its factorization.

12010021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12010021201 its reverse (10212001021), we get a palindrome (22222022222).

The spelling of 12010021201 in words is "twelve billion, ten million, twenty-one thousand, two hundred one".

Divisors: 1 19 101 1123 1919 5573 21337 105887 113423 562873 2155037 6258479 10694587 118911101 632106379 12010021201