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12000212201 = 43912732911
BaseRepresentation
bin10110010110100010…
…01011010011101001
31010222022111221102202
423023101023103221
5144034023242301
65302434105545
7603243056255
oct131321132351
933868457382
1012000212201
1150a889704a
1223aaa1b2b5
13119320a2a3
1481ba75265
154a37b366b
hex2cb44b4e9

12000212201 has 4 divisors (see below), whose sum is σ = 12002949504. Its totient is φ = 11997474900.

The previous prime is 12000212197. The next prime is 12000212219. The reversal of 12000212201 is 10221200021.

It is a happy number.

12000212201 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: 10221200021 = 42569240109.

It is a cyclic number.

It is not a de Polignac number, because 12000212201 - 22 = 12000212197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000212801) 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, 1362065 + ... + 1370846.

It is an arithmetic number, because the mean of its divisors is an integer number (3000737376).

Almost surely, 212000212201 is an apocalyptic number.

It is an amenable number.

12000212201 is a deficient number, since it is larger than the sum of its proper divisors (2737303).

12000212201 is an equidigital number, since it uses as much as digits as its factorization.

12000212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737302.

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

Adding to 12000212201 its reverse (10221200021), we get a palindrome (22221412222).

The spelling of 12000212201 in words is "twelve billion, two hundred twelve thousand, two hundred one".

Divisors: 1 4391 2732911 12000212201