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12020211201 = 337163664357
BaseRepresentation
bin10110011000111010…
…11101111000000001
31011000201010222220110
423030131131320001
5144104133224301
65304430501533
7603605052345
oct131435357001
934021128813
1012020211201
115109106649
1223b56648a9
1311973c010b
1482059d625
154a54140d6
hex2cc75de01

12020211201 has 16 divisors (see below), whose sum is σ = 16561116224. Its totient is φ = 7749048384.

The previous prime is 12020211197. The next prime is 12020211211. The reversal of 12020211201 is 10211202021.

12020211201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12020211201 - 22 = 12020211197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020211211) 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, 314086 + ... + 350271.

It is an arithmetic number, because the mean of its divisors is an integer number (1035069764).

Almost surely, 212020211201 is an apocalyptic number.

It is an amenable number.

12020211201 is a deficient number, since it is larger than the sum of its proper divisors (4540905023).

12020211201 is a wasteful number, since it uses less digits than its factorization.

12020211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664560.

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

Adding to 12020211201 its reverse (10211202021), we get a palindrome (22231413222).

The spelling of 12020211201 in words is "twelve billion, twenty million, two hundred eleven thousand, two hundred one".

Divisors: 1 3 37 111 163 489 6031 18093 664357 1993071 24581209 73743627 108290191 324870573 4006737067 12020211201