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12122202100001 = 71731743157143
BaseRepresentation
bin1011000001100110101110…
…0011001101000100100001
31120220212112002212222121012
42300121223203031010201
53042102232214200001
641440510205110305
72360541316511360
oct260315343150441
946825462788535
1012122202100001
113953aa7073284
121439444b58395
1369c170b923b6
142dca0958b7d7
151604d63aa2bb
hexb066b8cd121

12122202100001 has 4 divisors (see below), whose sum is σ = 13853945257152. Its totient is φ = 10390458942852.

The previous prime is 12122202099947. The next prime is 12122202100003. The reversal of 12122202100001 is 10000120222121.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12122202100001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122202100003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865871578565 + ... + 865871578578.

It is an arithmetic number, because the mean of its divisors is an integer number (3463486314288).

Almost surely, 212122202100001 is an apocalyptic number.

It is an amenable number.

12122202100001 is a deficient number, since it is larger than the sum of its proper divisors (1731743157151).

12122202100001 is an equidigital number, since it uses as much as digits as its factorization.

12122202100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731743157150.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122202100001 its reverse (10000120222121), we get a palindrome (22122322322122).

The spelling of 12122202100001 in words is "twelve trillion, one hundred twenty-two billion, two hundred two million, one hundred thousand, one".

Divisors: 1 7 1731743157143 12122202100001